/* roulang page: index */
:root{
  --c-brand:#123B2E;--c-brand-700:#0D2E23;--c-brand-300:#2E6B52;
  --c-accent:#FF5A1F;--c-accent-700:#D93A0B;
  --c-signal:#C8F44E;
  --c-ink:#101613;--c-body:#4C574F;--c-line:#E3E6DC;
  --c-paper:#F6F5F0;--c-surface:#FFFFFF;--c-dark:#0E1613;--c-dark-text:#E8EDE7;
  --c-ok:#1E9E6A;--c-warn:#E0A800;--c-err:#D93A3A;
  --r-card:14px;--r-img:12px;--r-btn:10px;--r-badge:999px;--r-block:20px;
  --sh-1:0 1px 2px rgba(16,22,19,.06),0 10px 26px -14px rgba(16,22,19,.18);
  --sh-2:0 2px 4px rgba(16,22,19,.08),0 18px 38px -16px rgba(16,22,19,.26);
  --t1:180ms ease-out;--t2:240ms ease-out;
  --num:"Oswald","Barlow Condensed","Segoe UI",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;font-size:16px;line-height:1.85;color:var(--c-body);background:var(--c-surface);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3,h4{color:var(--c-ink);font-weight:700;line-height:1.3}
button{font:inherit}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--c-accent);outline-offset:2px;border-radius:var(--r-btn)}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-paper{background:var(--c-paper)}
.section-dark{background:var(--c-dark);color:var(--c-dark-text)}
.section-dark h2,.section-dark h3{color:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:34px;letter-spacing:-.01em}
.sec-head p{margin-top:12px;font-size:15px;max-width:62ch;line-height:1.8}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-brand);background:var(--c-paper);border:1px solid var(--c-line);padding:6px 14px;border-radius:var(--r-badge);letter-spacing:.02em}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-weight:700;color:var(--c-ink)}

/* ---------- 顶部倒计时条 ---------- */
.countdown-bar{background:var(--c-dark);max-height:48px;overflow:hidden;transition:max-height var(--t2);border-bottom:1px solid rgba(200,244,78,.18)}
.countdown-bar.is-collapsed{max-height:0}
.cd-inner{display:flex;align-items:center;gap:20px;height:44px}
.cd-text{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-dark-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1 1 auto}
.cd-text i{color:var(--c-signal)}
.cd-timer{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.cd-unit{display:flex;align-items:baseline;gap:4px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:8px;padding:3px 10px}
.cd-unit b{font-family:var(--num);font-size:18px;font-weight:700;color:var(--c-signal);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.cd-unit em{font-style:normal;font-size:12px;color:rgba(232,237,231,.7)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:background-color var(--t1),color var(--t1),border-color var(--t1),transform var(--t1),box-shadow var(--t1);line-height:1.2}
.btn:active{transform:translateY(1px)}
.btn-brand{background:var(--c-brand);color:#fff}
.btn-brand:hover{background:var(--c-brand-700);color:#fff;transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:var(--c-ink)}
.btn-accent:hover{background:var(--c-accent-700);color:var(--c-ink);transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-outline:hover{background:var(--c-paper)}
.btn-ghost-dark{background:transparent;border-color:rgba(232,237,231,.5);color:#fff}
.btn-ghost-dark:hover{border-color:var(--c-signal);color:var(--c-signal)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:8px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-brand);font-weight:600;font-size:14px;transition:color var(--t1)}
.link-arrow i{transition:transform var(--t1)}
.link-arrow:hover{color:var(--c-accent)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 品牌行导航 ---------- */
.site-header{background:#fff}
.brand-bar{border-bottom:1px solid var(--c-line)}
.brand-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--c-brand);color:var(--c-signal);display:flex;align-items:center;justify-content:center;font-family:var(--num);font-weight:700;font-size:15px;letter-spacing:.02em}
.logo-text{font-size:18px;color:var(--c-ink);letter-spacing:-.01em}
.logo-text strong{font-weight:700}
.logo-text span{font-weight:500;margin-left:2px}
.header-search{flex:1 1 auto;max-width:360px;position:relative}
.header-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--c-body);font-size:14px}
.header-search input{width:100%;height:42px;padding:0 16px 0 38px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:var(--c-paper);font-size:14px;transition:border-color var(--t1),background-color var(--t1)}
.header-search input::placeholder{color:#8B948C}
.header-search input:focus{background:#fff;border-color:var(--c-brand);outline:none;box-shadow:0 0 0 3px rgba(18,59,46,.12)}
.header-note{font-size:14px;color:var(--c-body);white-space:nowrap;display:flex;align-items:center;gap:6px}
.header-note i{color:var(--c-ok)}
.header-cta{flex:0 0 auto}
.burger{display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-btn);align-items:center;justify-content:center;color:var(--c-ink);cursor:pointer}

/* ---------- 频道行 ---------- */
.channel-bar{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow var(--t2)}
.channel-bar.is-scrolled{box-shadow:var(--sh-1)}
.channel-inner{display:flex;align-items:center;gap:6px;height:52px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{position:relative;flex:0 0 auto;padding:0 16px;height:52px;display:inline-flex;align-items:center;font-size:15px;font-weight:500;color:var(--c-body);transition:color var(--t1),background-color var(--t1)}
.channel::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;background:transparent;transition:background-color var(--t1)}
.channel:hover{color:var(--c-ink)}
.channel:hover::after{background:var(--c-line)}
.channel.is-active{color:var(--c-ink);font-weight:700;background:var(--c-paper)}
.channel.is-active::after{background:var(--c-accent);height:3px}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,var(--c-paper) 0%,#FFFFFF 100%);padding:64px 0 72px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(18,59,46,.045) 0 1px,transparent 1px 26px);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;position:relative}
.hero h1{font-size:46px;line-height:1.2;margin-top:18px;letter-spacing:-.015em}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;max-width:44ch;color:var(--c-body)}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:44px;border-top:1px solid var(--c-line);padding-top:26px}
.hero-stats li{padding:0 18px;border-left:1px solid var(--c-line)}
.hero-stats li:first-child{border-left:0;padding-left:0}
.hero-stats b{display:block;font-family:var(--num);font-size:34px;line-height:1.1;color:var(--c-ink);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.hero-stats b small{font-size:15px;font-weight:600;margin-left:3px;color:var(--c-brand)}
.hero-stats span{display:block;margin-top:6px;font-size:14px;color:var(--c-body)}
.hero-media{position:relative;border-radius:var(--r-block);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:4/5;background:var(--c-paper)}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,22,19,0) 40%,rgba(14,22,19,.65) 100%)}
.hero-media .badge-live{position:absolute;right:18px;bottom:18px;z-index:2;background:rgba(14,22,19,.78);border:1px solid rgba(200,244,78,.5);color:var(--c-signal);font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--r-badge);display:inline-flex;align-items:center;gap:8px}
.hero-media .badge-live i{width:7px;height:7px;border-radius:50%;background:var(--c-signal);display:block}

/* ---------- 卖点 ---------- */
.perks{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.perk{padding:32px 26px;border-left:1px solid var(--c-line)}
.perk:first-child{border-left:0;padding-left:0}
.perk i{font-size:26px;color:var(--c-brand);display:block}
.perk h3{font-size:18px;margin-top:16px}
.perk p{margin-top:10px;font-size:14px;line-height:1.75;max-width:32ch}

/* ---------- 赛程表 ---------- */
.schedule-wrap{border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;background:#fff}
table.schedule{width:100%;border-collapse:collapse;font-size:15px}
table.schedule th{background:var(--c-paper);color:var(--c-ink);font-weight:600;font-size:14px;text-align:left;padding:14px 18px;border-bottom:1px solid var(--c-line);white-space:nowrap}
table.schedule td{padding:16px 18px;border-bottom:1px solid var(--c-line);color:var(--c-body);vertical-align:middle}
table.schedule tr:last-child td{border-bottom:0}
table.schedule tbody tr:hover{background:#FBFAF6}
table.schedule .t-date{font-family:var(--num);font-weight:600;color:var(--c-ink);letter-spacing:-.01em;white-space:nowrap}
table.schedule .t-name{color:var(--c-ink);font-weight:600}
.status{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:4px 12px;border-radius:var(--r-badge);border:1px solid}
.status-open{color:var(--c-ok);border-color:rgba(30,158,106,.4);background:rgba(30,158,106,.08)}
.status-few{color:var(--c-warn);border-color:rgba(224,168,0,.4);background:rgba(224,168,0,.08)}
.status-full{color:var(--c-body);border-color:var(--c-line);background:var(--c-paper)}

/* ---------- 图墙 ---------- */
.gallery{display:grid;gap:16px;grid-template-columns:repeat(4,1fr);grid-auto-rows:150px;
  grid-template-areas:"a a b b" "a a c d" "e e e e";}
.g-item{position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--c-paper);display:block}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform var(--t2)}
.g-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,22,19,0) 45%,rgba(14,22,19,.72) 100%);transition:background-color var(--t1)}
.g-item figcaption{position:absolute;left:18px;right:18px;bottom:16px;z-index:2;color:#fff;font-size:14px;line-height:1.5;transition:transform var(--t1)}
.g-item:hover img{transform:scale(1.03)}
.g-item:hover::after{background:linear-gradient(180deg,rgba(14,22,19,.05) 30%,rgba(14,22,19,.82) 100%)}
.g-item:hover figcaption{transform:translateY(-6px)}
.g-a{grid-area:a}.g-b{grid-area:b}.g-c{grid-area:c}.g-d{grid-area:d}.g-e{grid-area:e}

/* ---------- 最新动态 ---------- */
.news-layout{display:grid;grid-template-columns:2fr 1fr;gap:40px;align-items:start}
.news-lead{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:24px;border:1px solid var(--c-line);border-radius:var(--r-card);background:#fff;box-shadow:var(--sh-1);transition:box-shadow var(--t1),border-color var(--t1),transform var(--t1)}
.news-lead:hover{box-shadow:var(--sh-2);border-color:#CBD3C6;transform:translateY(-3px)}
.news-lead .thumb{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;background:var(--c-paper)}
.news-lead .thumb img{width:100%;height:100%;object-fit:cover}
.news-lead h3{font-size:22px;margin-top:12px;line-height:1.45}
.news-lead h3 a:hover{color:var(--c-accent)}
.news-lead p{margin-top:12px;font-size:15px;line-height:1.8}
.news-list{margin-top:16px;border-top:1px solid var(--c-line)}
.news-item{display:grid;grid-template-columns:180px 1fr;gap:22px;padding:22px 0;border-bottom:1px solid var(--c-line)}
.news-item .thumb{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;background:var(--c-paper)}
.news-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t2)}
.news-item:hover .thumb img{transform:scale(1.03)}
.news-item h3{font-size:18px;line-height:1.5;margin-top:8px}
.news-item h3 a{transition:color var(--t1)}
.news-item h3 a:hover{color:var(--c-accent)}
.news-item p{margin-top:8px;font-size:14px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;font-size:13px;color:#7C867E}
.badge-cat{display:inline-block;background:var(--c-paper);color:var(--c-brand);font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--r-badge);border:1px solid var(--c-line)}
.side-card{border:1px solid var(--c-line);border-radius:var(--r-card);background:#fff;padding:22px;margin-bottom:20px}
.side-card h3{font-size:16px;margin-bottom:16px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{font-size:13px;padding:6px 14px;border-radius:var(--r-badge);background:var(--c-paper);color:var(--c-brand);border:1px solid var(--c-line);transition:background-color var(--t1),color var(--t1)}
.tag-cloud a:hover{background:var(--c-brand);color:#fff;border-color:var(--c-brand)}
.rank-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--c-line);font-size:14px;line-height:1.6}
.rank-list li:last-child{border-bottom:0;padding-bottom:0}
.rank-list .idx{font-family:var(--num);font-weight:700;color:var(--c-accent);flex:0 0 auto}
.rank-list a:hover{color:var(--c-accent)}
.side-cta{background:var(--c-brand);color:#fff;border-radius:var(--r-card);padding:24px}
.side-cta h3{color:#fff;font-size:17px}
.side-cta p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.82);line-height:1.75}
.side-cta .btn{margin-top:16px}
.empty-state{text-align:center;padding:48px 20px;border:1px dashed var(--c-line);border-radius:var(--r-card);background:#fff}
.empty-state svg{margin:0 auto 18px}
.empty-state p{font-size:16px;color:var(--c-ink);font-weight:600}
.empty-state span{display:block;margin-top:8px;font-size:14px;color:var(--c-body)}
.empty-state .btn{margin-top:20px}

/* ---------- 用户评价 ---------- */
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-1);border-left:4px solid var(--c-brand)}
.voice p{font-size:15px;line-height:1.8;color:var(--c-body)}
.voice .who{margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line);display:flex;align-items:center;gap:12px}
.voice .who b{display:block;font-size:14px;color:var(--c-ink)}
.voice .who span{font-size:13px;color:#7C867E}
.avatar{width:40px;height:40px;border-radius:50%;background:var(--c-paper);color:var(--c-brand);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex:0 0 auto}

/* ---------- 报名 CTA ---------- */
.signup-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:start}
.signup-grid h2{font-size:34px;line-height:1.3}
.signup-list{margin-top:28px;display:grid;gap:16px}
.signup-list li{display:flex;gap:12px;font-size:15px;color:var(--c-dark-text);line-height:1.75}
.signup-list i{color:var(--c-signal);font-size:12px;margin-top:9px}
.form-card{background:#fff;border-radius:var(--r-block);padding:32px;box-shadow:var(--sh-2)}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .form-tip{font-size:14px;color:var(--c-body);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;height:48px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;font-size:15px;transition:border-color var(--t1),box-shadow var(--t1)}
.field textarea{height:auto;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#8B948C}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-brand);outline:none;box-shadow:0 0 0 3px rgba(18,59,46,.12)}
.pill-group{display:flex;flex-wrap:wrap;gap:10px}
.pill-group label{position:relative;margin:0}
.pill-group input{position:absolute;opacity:0;width:1px;height:1px}
.pill-group span{display:inline-block;padding:10px 18px;border:1px solid var(--c-line);border-radius:var(--r-badge);font-size:14px;font-weight:500;color:var(--c-body);cursor:pointer;transition:all var(--t1)}
.pill-group input:checked+span{background:var(--c-brand);border-color:var(--c-brand);color:#fff;font-weight:600}
.pill-group input:focus-visible+span{outline:3px solid var(--c-accent);outline-offset:2px}
.form-success{background:#fff;border-radius:var(--r-block);padding:40px 32px;box-shadow:var(--sh-2);text-align:center;display:none}
.form-success.is-on{display:block}
.form-success i{font-size:38px;color:var(--c-ok)}
.form-success h3{margin-top:16px;font-size:20px}
.form-success p{margin-top:10px;font-size:15px}
.form-success .btn{margin-top:22px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:8fr 4fr;gap:48px;align-items:start}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-q{width:100%;background:none;border:0;text-align:left;padding:20px 44px 20px 0;font-size:17px;font-weight:600;color:var(--c-ink);cursor:pointer;position:relative;transition:color var(--t1)}
.faq-q:hover{color:var(--c-brand)}
.faq-q::before{content:"";position:absolute;left:-16px;top:20px;bottom:20px;width:3px;background:transparent;border-radius:2px}
.faq-q::after{content:"";position:absolute;right:8px;top:50%;width:14px;height:2px;background:var(--c-body);transform:translateY(-50%);transition:background-color var(--t1)}
.faq-q span.plus{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:14px;height:14px}
.faq-q span.plus::after{content:"";position:absolute;left:6px;top:0;width:2px;height:14px;background:var(--c-body);transition:transform var(--t1),background-color var(--t1)}
.faq-item.is-open .faq-q{color:var(--c-brand)}
.faq-item.is-open .faq-q::before{background:var(--c-accent)}
.faq-item.is-open .faq-q::after,.faq-item.is-open .faq-q span.plus::after{background:var(--c-brand)}
.faq-item.is-open .faq-q span.plus::after{transform:rotate(90deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t2)}
.faq-a p{padding:0 40px 20px 0;font-size:15px;line-height:1.8}
.faq-deco{display:flex;align-items:center;justify-content:center;padding-top:20px}
.faq-deco svg{width:96px;height:96px;color:var(--c-brand);opacity:.9}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:var(--c-dark-text);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{margin-top:18px;font-size:14px;color:rgba(232,237,231,.72);line-height:1.8;max-width:30ch}
.footer-brand .fb-line{margin-top:16px;font-size:14px;color:rgba(232,237,231,.72);display:flex;align-items:center;gap:8px}
.footer-brand .fb-line i{color:var(--c-signal)}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:rgba(232,237,231,.72);transition:color var(--t1),transform var(--t1);display:inline-block}
.footer-links a:hover{color:var(--c-signal);transform:translateX(-2px)}
.footer-bottom{border-top:1px solid rgba(232,237,231,.16);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px;color:rgba(232,237,231,.62)}
.to-top{width:36px;height:36px;border-radius:50%;border:1px solid rgba(232,237,231,.4);background:transparent;color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color var(--t1),border-color var(--t1)}
.to-top:hover{background:var(--c-brand-300);border-color:var(--c-brand-300)}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;background:#fff;z-index:90;transform:translateX(100%);transition:transform var(--t2);overflow-y:auto;display:none}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:40px;height:40px;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-btn);font-size:16px;color:var(--c-ink);cursor:pointer}
.drawer nav{padding:12px 20px 24px}
.drawer nav a{display:block;padding:15px 4px;font-size:16px;font-weight:500;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.drawer nav a.is-active{color:var(--c-brand);font-weight:700}
.drawer-extra{padding:0 20px 32px}
.drawer-extra .btn{margin-bottom:12px}
.drawer-extra p{font-size:13px;color:var(--c-body);line-height:1.8}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .hero{padding:48px 0 56px}
  .hero h1{font-size:34px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{aspect-ratio:16/9}
  .perks{grid-template-columns:repeat(2,1fr)}
  .perk{border-left:0;border-bottom:1px solid var(--c-line);padding:26px 0}
  .perk:nth-child(even){padding-left:24px;border-left:1px solid var(--c-line)}
  .news-layout{grid-template-columns:1fr}
  .news-lead{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px;grid-template-areas:"a a" "a a" "b c" "d e"}
  .voices{grid-template-columns:1fr}
  .signup-grid{grid-template-columns:1fr;gap:36px}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .faq-deco{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .header-search{display:none}
  .header-note{display:none}
  .header-cta{display:none}
  .burger{display:inline-flex}
  .drawer{display:block}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px 0}
  .hero-stats li:nth-child(3){border-left:0;padding-left:0}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .sec-head h2,.signup-grid h2{font-size:24px}
  .hero h1{font-size:32px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 auto}
  .cd-text{font-size:13px}
  .cd-text span.long{display:none}
  .cd-timer .cd-unit:nth-child(5){display:none}
  .perks{grid-template-columns:1fr}
  .perk{padding:22px 0}
  .perk:nth-child(even){padding-left:0;border-left:0}
  .news-item{grid-template-columns:1fr;gap:14px}
  .gallery{grid-template-columns:1fr;grid-auto-rows:200px;grid-template-areas:"a" "b" "c" "d" "e"}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .form-card{padding:22px 18px}
  .schedule-scroll{overflow-x:auto;border-radius:var(--r-card)}
  table.schedule{min-width:620px}
  .hero-stats b{font-size:28px}
}

/* roulang page: category1 */
:root{
  --c-brand:#123B2E;
  --c-brand-700:#0D2E23;
  --c-brand-300:#2E6B52;
  --c-accent:#FF5A1F;
  --c-accent-700:#D93A0B;
  --c-signal:#C8F44E;
  --c-ink:#101613;
  --c-body:#4C574F;
  --c-line:#E3E6DC;
  --c-paper:#F6F5F0;
  --c-surface:#FFFFFF;
  --c-dark:#0E1613;
  --c-dark-text:#E8EDE7;
  --c-ok:#1E9E6A;
  --c-warn:#E0A800;
  --c-err:#D93A3A;

  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --r-block:20px;

  --sh-1:0 1px 2px rgba(16,22,19,.06), 0 10px 26px -14px rgba(16,22,19,.18);
  --sh-2:0 2px 4px rgba(16,22,19,.08), 0 18px 38px -16px rgba(16,22,19,.26);

  --sp-section:88px;
  --t-fast:180ms ease-out;
  --t-base:240ms ease-out;

  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Oswald","Barlow Condensed",var(--font-cn);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--c-body);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t-fast);}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3;}
h1{font-size:46px;line-height:1.2;letter-spacing:-.01em;}
h2{font-size:34px;}
h3{font-size:23px;line-height:1.45;}
h4{font-size:18px;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;}
:focus-visible{outline:3px solid var(--c-accent);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}

/* ---------- header ---------- */
.site-header{position:relative;z-index:60;background:var(--c-surface);}
.brand-bar{border-bottom:1px solid var(--c-line);}
.brand-inner{display:flex;align-items:center;gap:22px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-brand);}
.logo:hover{color:var(--c-brand);}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--c-brand);color:var(--c-signal);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:700;font-size:16px;letter-spacing:.02em;
}
.logo-text{display:inline-flex;align-items:baseline;gap:2px;font-size:19px;letter-spacing:-.01em;}
.logo-text strong{font-weight:700;}
.logo-text span{font-weight:500;font-size:15px;color:var(--c-brand-300);}
.header-search{
  flex:1 1 auto;max-width:340px;
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-paper);color:var(--c-body);
  transition:border-color var(--t-fast),background var(--t-fast);
}
.header-search i{font-size:13px;color:var(--c-brand-300);}
.header-search input{
  flex:1;border:0;background:transparent;font-size:14px;color:var(--c-ink);height:100%;
}
.header-search input::placeholder{color:#8C968D;}
.header-search input:focus{outline:none;}
.header-search:focus-within{border-color:var(--c-brand);background:var(--c-surface);box-shadow:0 0 0 3px rgba(18,59,46,.10);}
.header-note{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--c-body);white-space:nowrap;
}
.header-note i{color:var(--c-ok);}
.header-cta{margin-left:auto;}
.burger{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);color:var(--c-brand);font-size:17px;
  align-items:center;justify-content:center;background:var(--c-surface);
  transition:background var(--t-fast),border-color var(--t-fast);
}
.burger:hover{background:var(--c-paper);border-color:var(--c-brand-300);}

/* channel bar */
.channel-bar{
  position:sticky;top:0;z-index:55;
  background:var(--c-surface);border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t-base);
}
.channel-bar.is-stuck{box-shadow:0 8px 22px -18px rgba(16,22,19,.5);}
.channel-inner{
  display:flex;align-items:center;gap:6px;
  height:52px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;flex:0 0 auto;
  padding:0 16px;height:52px;display:inline-flex;align-items:center;
  font-size:15px;color:var(--c-body);font-weight:500;white-space:nowrap;
  transition:color var(--t-fast),background var(--t-fast);
}
.channel::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;
  background:transparent;border-radius:2px;transition:background var(--t-fast);
}
.channel:hover{color:var(--c-brand);}
.channel:hover::after{background:var(--c-line);}
.channel.is-active{color:var(--c-brand);font-weight:700;background:var(--c-paper);}
.channel.is-active::after{background:var(--c-accent);height:3px;}

/* mobile drawer */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--c-surface);
  transform:translateX(100%);transition:transform var(--t-base);
  display:flex;flex-direction:column;padding:22px 20px 32px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  color:var(--c-ink);font-size:17px;display:inline-flex;align-items:center;justify-content:center;
}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-links a{
  padding:13px 14px;border-radius:var(--r-btn);font-size:16px;color:var(--c-ink);font-weight:500;
}
.drawer-links a.is-active{background:var(--c-paper);color:var(--c-brand);font-weight:700;}
.drawer-info{margin-top:auto;border-top:1px solid var(--c-line);padding-top:18px;font-size:14px;color:var(--c-body);}
.drawer-info p{margin:0 0 6px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast),transform var(--t-fast),box-shadow var(--t-fast);
}
.btn:active{transform:translateY(0);}
.btn-brand{background:var(--c-brand);color:#fff;box-shadow:var(--sh-1);}
.btn-brand:hover{background:var(--c-brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-accent{background:var(--c-accent);color:var(--c-ink);}
.btn-accent:hover{background:var(--c-accent-700);color:var(--c-ink);transform:translateY(-1px);}
.btn-ghost{background:transparent;border:1.5px solid var(--c-brand);color:var(--c-brand);}
.btn-ghost:hover{background:var(--c-paper);color:var(--c-brand);}
.btn-dark-ghost{background:transparent;border:1.5px solid rgba(232,237,231,.5);color:#fff;}
.btn-dark-ghost:hover{border-color:var(--c-signal);color:var(--c-signal);}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--c-brand);font-weight:600;font-size:15px;padding:6px 0;
}
.btn-text i{transition:transform var(--t-fast);font-size:13px;}
.btn-text:hover{color:var(--c-accent);}
.btn-text:hover i{transform:translateX(4px);}
.btn-sm{padding:10px 18px;font-size:14px;}

/* ---------- breadcrumb ---------- */
.crumb{padding:26px 0 0;font-size:14px;color:var(--c-body);}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:#A9B2AA;}
.crumb a{color:var(--c-body);}
.crumb a:hover{color:var(--c-brand);}
.crumb .current{color:var(--c-ink);font-weight:700;}

/* ---------- hero ---------- */
.cat-hero{padding:34px 0 0;}
.hero-grid{
  display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,90,31,.10);color:var(--c-accent-700);
  font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:18px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-accent);}
.cat-hero h1{margin-bottom:16px;}
.cat-hero h1 em{font-style:normal;color:var(--c-brand);}
.hero-sub{font-size:16px;line-height:1.85;max-width:34em;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.stat-row{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--c-line);padding-top:22px;
}
.stat{padding-right:20px;border-right:1px solid var(--c-line);}
.stat:last-child{border-right:0;}
.stat-num{font-family:var(--font-num);font-size:34px;font-weight:700;color:var(--c-brand);line-height:1.1;letter-spacing:-.02em;}
.stat-num small{font-size:15px;font-weight:600;margin-left:3px;color:var(--c-brand-300);}
.stat-label{font-size:14px;line-height:1.6;margin-top:4px;}
.hero-visual{position:relative;border-radius:var(--r-block);overflow:hidden;box-shadow:var(--sh-2);}
.hero-visual img{
  width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r-block);
  transition:transform var(--t-base);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-block);
  background:linear-gradient(180deg,rgba(14,22,19,0) 38%,rgba(14,22,19,.78) 100%);
}
.hero-visual:hover img{transform:scale(1.03);}
.hero-visual-text{
  position:absolute;left:22px;right:22px;bottom:22px;z-index:2;color:#fff;
}
.hero-visual-text strong{display:block;font-size:19px;font-weight:700;margin-bottom:4px;}
.hero-visual-text span{font-size:14px;color:rgba(255,255,255,.82);}
.hero-tag{
  position:absolute;top:18px;right:18px;z-index:2;
  padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid var(--c-signal);color:var(--c-signal);
  background:rgba(14,22,19,.6);font-size:13px;font-weight:600;
}

/* ---------- section base ---------- */
.section{padding:var(--sp-section) 0 0;}
.section-head{margin-bottom:36px;max-width:46em;}
.section-head h2{margin-bottom:12px;}
.section-head p{margin:0;font-size:16px;line-height:1.85;}
.section-head.split{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;
}
.section-head.split > div{max-width:42em;}

/* ---------- filter pills ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.pill{
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:14px;color:var(--c-body);font-weight:500;
  transition:all var(--t-fast);
}
.pill:hover{border-color:var(--c-brand-300);color:var(--c-brand);}
.pill.is-on{background:var(--c-brand);border-color:var(--c-brand);color:#fff;font-weight:600;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:31px;top:14px;bottom:26px;width:2px;
  background:var(--c-line);border-radius:2px;
}
.tl-item{
  position:relative;display:grid;grid-template-columns:64px 1fr;gap:22px;
  margin-bottom:22px;
}
.tl-date{
  width:64px;height:64px;border-radius:var(--r-card);
  background:var(--c-brand);color:#fff;z-index:2;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.tl-date .d{font-family:var(--font-num);font-size:22px;font-weight:700;line-height:1;letter-spacing:-.02em;}
.tl-date .m{font-size:11px;letter-spacing:.06em;color:var(--c-signal);margin-top:3px;}
.tl-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;display:flex;align-items:flex-start;justify-content:space-between;gap:26px;
  box-shadow:var(--sh-1);transition:transform var(--t-base),box-shadow var(--t-base),border-color var(--t-base);
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand-300);}
.tl-main{flex:1 1 auto;min-width:0;}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;}
.tl-card h3{font-size:19px;margin-bottom:8px;}
.tl-card:hover h3{color:var(--c-accent);}
.tl-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:var(--c-body);}
.tl-meta span{display:inline-flex;align-items:center;gap:7px;}
.tl-meta i{color:var(--c-brand-300);font-size:13px;}
.tl-side{
  flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-end;gap:12px;
  border-left:1px dashed var(--c-line);padding-left:26px;
}
.tl-side .slots{font-size:13px;color:var(--c-body);text-align:right;}
.tl-side .slots b{font-family:var(--font-num);font-size:20px;color:var(--c-brand);font-weight:700;}

/* badges */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1.4;
}
.badge-cat{background:var(--c-paper);color:var(--c-brand);}
.badge-ok{border:1px solid var(--c-ok);color:var(--c-ok);background:rgba(30,158,106,.08);}
.badge-warn{border:1px solid var(--c-warn);color:#8A6600;background:rgba(224,168,0,.10);}
.badge-info{border:1px solid var(--c-brand-300);color:var(--c-brand-300);background:rgba(46,107,82,.08);}

/* ---------- steps ---------- */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:transform var(--t-base),box-shadow var(--t-base);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step-no{
  width:28px;height:28px;border-radius:8px;background:var(--c-brand);color:#fff;
  font-family:var(--font-num);font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{margin:0;font-size:14px;line-height:1.7;}

/* ---------- venue cards ---------- */
.venue-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.venue-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t-base),box-shadow var(--t-base),border-color var(--t-base);
}
.venue-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand-300);}
.venue-media{position:relative;overflow:hidden;}
.venue-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform var(--t-base);}
.venue-media::after{
  content:"";position:absolute;inset:0;
  background:rgba(14,22,19,0);transition:background var(--t-base);
}
.venue-card:hover .venue-media img{transform:scale(1.03);}
.venue-card:hover .venue-media::after{background:rgba(14,22,19,.35);}
.venue-body{padding:22px;}
.venue-body h3{font-size:18px;margin-bottom:8px;}
.venue-body p{margin:0;font-size:14px;line-height:1.75;}
.venue-list{margin-top:14px;display:flex;flex-direction:column;gap:7px;}
.venue-list li{font-size:14px;display:flex;gap:9px;align-items:flex-start;line-height:1.7;}
.venue-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;border-radius:1px;background:var(--c-brand);margin-top:9px;
}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0 20px 0;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);
  transition:color var(--t-fast),padding var(--t-fast);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:-16px;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:transparent;transition:background var(--t-fast);
}
.faq-q:hover{color:var(--c-brand);}
.faq-item.is-open .faq-q{color:var(--c-brand);}
.faq-item.is-open .faq-q::before{background:var(--c-accent);}
.faq-icon{
  position:relative;flex:0 0 auto;width:24px;height:24px;border:1px solid var(--c-line);border-radius:6px;
  transition:border-color var(--t-fast),background var(--t-fast);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-brand);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform var(--t-base),background var(--t-fast);
}
.faq-icon::before{width:11px;height:1.6px;}
.faq-icon::after{width:1.6px;height:11px;}
.faq-item.is-open .faq-icon{border-color:var(--c-brand);background:var(--c-paper);}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height var(--t-base);
}
.faq-a p{
  padding:0 0 20px;margin:0;font-size:15px;line-height:1.85;color:var(--c-body);max-width:38em;
}

/* ---------- dark CTA ---------- */
.cta-band{
  margin-top:var(--sp-section);
  background:var(--c-dark);color:var(--c-dark-text);
  border-top:1px solid rgba(200,244,78,.18);
  border-bottom:1px solid rgba(200,244,78,.18);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(200,244,78,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(200,244,78,.05) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:6fr 5fr;gap:52px;
  padding:72px 0;align-items:center;
}
.cta-inner h2{color:#fff;margin-bottom:14px;}
.cta-inner > div > p{color:rgba(232,237,231,.78);margin-bottom:24px;}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-bottom:30px;}
.cta-points li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:rgba(232,237,231,.9);line-height:1.7;}
.cta-points li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;background:var(--c-signal);border-radius:2px;margin-top:9px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-panel{
  background:rgba(255,255,255,.06);border:1px solid rgba(200,244,78,.22);
  border-radius:var(--r-block);padding:30px;
}
.cta-panel h3{color:#fff;font-size:19px;margin-bottom:16px;}
.cta-panel dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:12px 18px;font-size:14px;}
.cta-panel dt{color:rgba(232,237,231,.62);}
.cta-panel dd{margin:0;color:#fff;font-weight:600;}
.cta-panel .mini-note{
  margin-top:20px;padding-top:16px;border-top:1px solid rgba(232,237,231,.16);
  font-size:13px;color:rgba(232,237,231,.66);line-height:1.7;
}

/* ---------- footer ---------- */
.site-footer{background:var(--c-surface);border-top:1px solid var(--c-line);margin-top:var(--sp-section);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;max-width:26em;margin-bottom:14px;}
.fb-line{font-size:14px;color:var(--c-body);display:flex;align-items:center;gap:8px;margin-bottom:6px;}
.fb-line i{color:var(--c-brand-300);}
.footer-grid h4{font-size:15px;margin-bottom:16px;color:var(--c-ink);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--c-body);transition:color var(--t-fast),transform var(--t-fast);display:inline-block;}
.footer-links a:hover{color:var(--c-brand);transform:translateX(2px);}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--c-line);
  padding:22px 0 28px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  font-size:13px;color:#6E7970;
}
.footer-bottom .to-top{
  margin-left:auto;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--c-line);color:var(--c-brand);font-size:13px;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast);
}
.footer-bottom .to-top:hover{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--sp-section:64px;}
  h1{font-size:34px;}
  h2{font-size:26px;}
  h3{font-size:20px;}
  .container{padding:0 24px;}
  .header-search,.header-note{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual img{aspect-ratio:16/9;}
  .hero-visual-text{bottom:18px;left:18px;right:18px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .venue-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:36px;padding:56px 0;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .section-head.split{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .burger{display:inline-flex;}
  .header-cta{display:none;}
  .brand-inner{height:60px;gap:14px;}
  .logo-text{font-size:17px;}
  .logo-text span{font-size:14px;}
}
@media (max-width:639px){
  :root{--sp-section:48px;}
  body{font-size:16px;}
  h1{font-size:32px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .container{padding:0 20px;}
  .hero-actions .btn{width:100%;}
  .stat-row{grid-template-columns:1fr;gap:16px;border-top:1px solid var(--c-line);}
  .stat{border-right:0;border-bottom:1px solid var(--c-line);padding:0 0 14px;}
  .stat:last-child{border-bottom:0;padding-bottom:0;}
  .timeline::before{left:25px;}
  .tl-item{grid-template-columns:54px 1fr;gap:14px;}
  .tl-date{width:54px;height:54px;border-radius:12px;}
  .tl-date .d{font-size:18px;}
  .tl-card{flex-direction:column;gap:18px;padding:18px;}
  .tl-side{border-left:0;border-top:1px dashed var(--c-line);padding:16px 0 0;width:100%;align-items:flex-start;}
  .tl-side .slots{text-align:left;}
  .tl-side .btn{width:100%;}
  .steps{grid-template-columns:1fr;}
  .venue-grid{grid-template-columns:1fr;}
  .cta-panel{padding:22px;}
  .faq-q{font-size:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .footer-bottom .to-top{margin-left:0;}
}

/* roulang page: article */
:root{
  --c-brand:#123B2E;
  --c-brand-700:#0D2E23;
  --c-brand-300:#2E6B52;
  --c-accent:#FF5A1F;
  --c-accent-700:#D93A0B;
  --c-signal:#C8F44E;
  --c-ink:#101613;
  --c-body:#4C574F;
  --c-line:#E3E6DC;
  --c-paper:#F6F5F0;
  --c-surface:#FFFFFF;
  --c-dark:#0E1613;
  --c-dark-text:#E8EDE7;
  --c-ok:#1E9E6A;
  --c-warn:#E0A800;
  --c-err:#D93A3A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:999px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(16,22,19,.06), 0 10px 26px -14px rgba(16,22,19,.18);
  --sh-2:0 2px 4px rgba(16,22,19,.08), 0 18px 38px -16px rgba(16,22,19,.26);
  --t:180ms ease-out;
  --t2:240ms ease-out;
  --f-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-num:"Barlow Condensed","Oswald","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--c-body);
  background:var(--c-surface);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3}
button{font:inherit;cursor:pointer;background:none;border:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
strong{font-weight:600}
:focus-visible{outline:3px solid var(--c-accent);outline-offset:2px;border-radius:6px}
::selection{background:var(--c-signal);color:var(--c-ink)}
.grid-container{max-width:1240px;padding-left:32px;padding-right:32px;margin:0 auto}
.grid-x{align-items:flex-start}

/* ---------- Header ---------- */
.site-header{position:relative;z-index:60;background:var(--c-surface)}
.brand-bar{border-bottom:1px solid var(--c-line);background:var(--c-surface)}
.brand-inner{display:flex;align-items:center;gap:22px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:var(--r-btn);
  background:var(--c-brand);color:var(--c-signal);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--f-num);font-size:15px;font-weight:700;letter-spacing:.04em;
}
.logo-text{display:inline-flex;align-items:baseline;gap:3px;font-size:19px;color:var(--c-ink);line-height:1}
.logo-text strong{font-weight:700;letter-spacing:-.01em}
.logo-text span{font-weight:500;font-size:16px;color:var(--c-brand-300)}
.header-search{
  position:relative;flex:1 1 auto;max-width:330px;display:flex;align-items:center;
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:0 14px;height:42px;transition:border-color var(--t),background var(--t);
}
.header-search i{color:var(--c-body);font-size:14px;margin-right:10px}
.header-search input{flex:1;border:none;background:transparent;height:100%;font-size:14px;color:var(--c-ink)}
.header-search input::placeholder{color:#8C978F}
.header-search input:focus{outline:none}
.header-search:focus-within{border-color:var(--c-brand);background:#fff}
.header-note{font-size:14px;color:var(--c-body);display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.header-note i{color:var(--c-ok);font-size:13px}
.header-cta{margin-left:auto;padding:12px 20px;font-size:14px;white-space:nowrap}
.burger{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);color:var(--c-ink);font-size:16px;
  align-items:center;justify-content:center;margin-left:auto;transition:border-color var(--t),color var(--t);
}
.burger:hover{border-color:var(--c-brand);color:var(--c-brand)}
.channel-bar{
  position:sticky;top:0;z-index:55;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow var(--t2);
}
.channel-bar.is-stuck{box-shadow:0 8px 20px -16px rgba(16,22,19,.85)}
.channel-inner{display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;flex:0 0 auto;padding:0 16px;height:52px;line-height:52px;
  font-size:14px;font-weight:500;color:var(--c-body);
  transition:color var(--t),background var(--t);
}
.channel::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform var(--t2);
}
.channel:hover{color:var(--c-brand);background:var(--c-paper)}
.channel:hover::after{transform:scaleX(1);opacity:.35}
.channel.is-active{color:var(--c-brand);font-weight:700;background:var(--c-paper)}
.channel.is-active::after{transform:scaleX(1);opacity:1}

/* ---------- Drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--c-surface);
  display:flex;flex-direction:column;padding:0 20px 28px;
  transform:translateY(-102%);transition:transform 260ms ease-out;
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:64px;border-bottom:1px solid var(--c-line)}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--c-ink);
}
.drawer-close:hover{border-color:var(--c-brand);color:var(--c-brand)}
.drawer-nav{display:flex;flex-direction:column;padding:10px 0}
.drawer-nav a{
  padding:15px 2px;font-size:16px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--c-accent)}
.drawer-cta{margin:22px 0 20px;width:100%}
.drawer-foot{font-size:14px;color:var(--c-body);line-height:1.9}
.drawer-foot span{display:block}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;
  border:1.5px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-brand{background:var(--c-brand);color:#fff}
.btn-brand:hover{background:var(--c-brand-700);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-brand:active{transform:translateY(0)}
.btn-accent{background:var(--c-accent);color:var(--c-ink)}
.btn-accent:hover{background:var(--c-accent-700);transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0)}
.btn-outline{border-color:var(--c-brand);color:var(--c-brand);background:transparent}
.btn-outline:hover{background:var(--c-paper)}
.btn-ghost{border-color:rgba(232,237,231,.5);color:#fff;background:transparent}
.btn-ghost:hover{border-color:var(--c-signal);color:var(--c-signal)}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--c-brand)}
.btn-text i{transition:transform var(--t)}
.btn-text:hover{color:var(--c-accent)}
.btn-text:hover i{transform:translateX(4px)}

/* ---------- Article hero ---------- */
.article-hero{background:var(--c-paper);border-bottom:1px solid var(--c-line);padding:26px 0 42px}
.crumbs-row{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:24px}
.breadcrumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--c-body);line-height:1.7}
.breadcrumbs a{color:var(--c-body);transition:color var(--t)}
.breadcrumbs a:hover{color:var(--c-brand)}
.breadcrumbs .sep{color:#B7C0B8}
.breadcrumbs .current{color:var(--c-ink);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.art-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--c-line);color:var(--c-brand);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:var(--r-badge);
  margin-bottom:16px;
}
.art-badge i{color:var(--c-accent)}
.article-hero h1{font-size:clamp(26px,3.5vw,40px);line-height:1.25;letter-spacing:-.01em;max-width:940px}
.art-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:20px;font-size:14px;color:var(--c-body)}
.art-meta span{display:inline-flex;align-items:center;gap:7px}
.art-meta i{color:var(--c-brand-300);font-size:13px}
.art-meta .divider{width:1px;height:14px;background:var(--c-line);padding:0;gap:0}
.art-lead{margin-top:22px;font-size:17px;line-height:1.85;color:var(--c-body);max-width:760px;padding-left:16px;border-left:3px solid var(--c-accent)}

/* ---------- Layout ---------- */
.art-main{padding:56px 0 72px;background:var(--c-surface)}
.art-content-col{min-width:0}
.art-side{position:sticky;top:76px}

/* ---------- Article content ---------- */
.art-content{font-size:16px;line-height:1.9;color:var(--c-body);max-width:760px;overflow-wrap:break-word}
.art-content>*:first-child{margin-top:0}
.art-content p{margin:0 0 1.4em}
.art-content h2{
  position:relative;margin:2em 0 .8em;padding-left:15px;
  font-size:23px;line-height:1.45;color:var(--c-ink);
}
.art-content h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:3px;
  background:var(--c-accent);border-radius:2px;
}
.art-content h3{margin:1.7em 0 .6em;font-size:18px;line-height:1.5;color:var(--c-ink)}
.art-content h4{margin:1.5em 0 .5em;font-size:16px;color:var(--c-ink)}
.art-content ul,.art-content ol{margin:0 0 1.4em}
.art-content ul li{position:relative;padding-left:20px;margin-bottom:.55em}
.art-content ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;
  background:var(--c-brand);border-radius:2px;
}
.art-content ol{counter-reset:artol}
.art-content ol li{position:relative;padding-left:36px;margin-bottom:.65em;counter-increment:artol}
.art-content ol li::before{
  content:counter(artol);position:absolute;left:0;top:.32em;width:24px;height:24px;
  background:var(--c-brand);color:#fff;font-size:13px;font-weight:600;
  line-height:24px;text-align:center;border-radius:6px;font-family:var(--f-num);
}
.art-content blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--c-paper);
  border-left:4px solid var(--c-accent);border-radius:0 var(--r-btn) var(--r-btn) 0;
  color:var(--c-ink);font-size:15.5px;
}
.art-content blockquote p:last-child{margin-bottom:0}
.art-content img{border-radius:var(--r-img);margin:1.6em 0;width:100%}
.art-content figure{margin:1.6em 0}
.art-content figure img{margin:0}
.art-content figcaption{font-size:14px;color:var(--c-body);text-align:center;margin-top:10px}
.art-content a{color:var(--c-brand);border-bottom:1px solid rgba(18,59,46,.3);transition:color var(--t),border-color var(--t)}
.art-content a:hover{color:var(--c-accent);border-color:var(--c-accent)}
.art-content strong{color:var(--c-ink);font-weight:600}
.art-content table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0}
.art-content thead{background:var(--c-paper)}
.art-content th,.art-content td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--c-line)}
.art-content th{color:var(--c-ink);font-weight:600}
.art-content hr{border:none;border-top:1px solid var(--c-line);margin:2.2em 0}

/* ---------- Empty state ---------- */
.art-empty{
  max-width:640px;text-align:center;padding:48px 24px;margin:0 auto;
  border:1px dashed var(--c-line);border-radius:var(--r-block);background:var(--c-paper);
}
.art-empty .empty-icon{
  width:80px;height:80px;margin:0 auto 20px;border-radius:50%;
  border:2px solid var(--c-brand);display:flex;align-items:center;justify-content:center;
  color:var(--c-brand);font-size:30px;
}
.art-empty h3{font-size:19px;margin-bottom:10px}
.art-empty p{font-size:15px;color:var(--c-body);margin-bottom:24px}

/* ---------- Source & tags ---------- */
.art-source{
  max-width:760px;margin-top:44px;padding:20px 0;
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--c-body);
}
.art-tags{display:flex;flex-wrap:wrap;gap:10px;max-width:760px;margin-top:22px}
.art-tags span{
  font-size:13px;padding:6px 14px;border-radius:var(--r-badge);
  background:var(--c-paper);color:var(--c-brand);border:1px solid var(--c-line);
}

/* ---------- Prev / Next ---------- */
.adj-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:760px;margin-top:34px}
.adj-card{
  border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 22px;
  background:var(--c-surface);transition:border-color var(--t),transform var(--t),box-shadow var(--t),background var(--t);
}
.adj-card:hover{border-color:var(--c-brand-300);transform:translateY(-3px);box-shadow:var(--sh-1);background:var(--c-paper)}
.adj-card .adj-label{font-size:13px;color:var(--c-accent);font-weight:600;display:inline-flex;align-items:center;gap:6px;margin-bottom:10px}
.adj-card h4{font-size:16px;line-height:1.6;color:var(--c-ink)}
.adj-card.is-next{text-align:right}
.adj-card.is-next .adj-label{justify-content:flex-end}

/* ---------- Related ---------- */
.related-band{background:var(--c-paper);padding:64px 0;border-top:1px solid var(--c-line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3}
.section-head p{margin-top:10px;font-size:15px;color:var(--c-body)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.info-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.info-card:hover{border-color:var(--c-brand-300);transform:translateY(-3px);box-shadow:var(--sh-2)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-paper)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t2)}
.info-card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-tag{align-self:flex-start;font-size:12px;padding:4px 12px;border-radius:var(--r-badge);background:var(--c-paper);color:var(--c-brand);font-weight:600}
.card-body h3{font-size:17px;line-height:1.55;transition:color var(--t)}
.card-body h3 a{display:block}
.card-body h3 a:hover{color:var(--c-accent)}
.card-body p{font-size:14px;line-height:1.75;color:var(--c-body)}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-body)}
.card-foot .more{color:var(--c-brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.card-foot .more i{transition:transform var(--t)}
.info-card:hover .card-foot .more i{transform:translateX(4px)}

/* ---------- Sidebar ---------- */
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);margin-bottom:20px;
}
.side-card h3{font-size:16px;display:flex;align-items:center;gap:9px;margin-bottom:16px}
.side-card h3 i{color:var(--c-accent);font-size:14px}
.side-links li+li{margin-top:4px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:var(--r-btn);font-size:14px;font-weight:500;
  color:var(--c-body);border-left:4px solid transparent;
  transition:background var(--t),color var(--t),border-color var(--t),padding-left var(--t);
}
.side-links a:hover{background:var(--c-paper);color:var(--c-brand);border-left-color:var(--c-accent);padding-left:16px}
.side-links a.is-current{background:var(--c-paper);color:var(--c-brand);font-weight:700;border-left-color:var(--c-brand)}
.side-links a i{font-size:11px;color:#A8B2A9}
.rank-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--c-line)}
.rank-list li:last-child{border-bottom:none;padding-bottom:0}
.rank-num{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--c-paper);
  color:var(--c-brand);font-family:var(--f-num);font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.rank-list li:nth-child(1) .rank-num{background:var(--c-brand);color:var(--c-signal)}
.rank-list a{font-size:14.5px;line-height:1.65;color:var(--c-ink);transition:color var(--t)}
.rank-list a:hover{color:var(--c-accent)}
.side-card.is-dark{background:var(--c-dark);border-color:var(--c-dark);color:var(--c-dark-text)}
.side-card.is-dark h3{color:#fff}
.side-card.is-dark p{font-size:14px;color:var(--c-dark-text);line-height:1.8;margin-bottom:18px}
.side-card.is-dark .btn{width:100%}
.side-btn{width:100%;margin-bottom:20px}
.side-stat{display:flex;gap:18px;margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line)}
.side-stat div{flex:1}
.side-stat b{display:block;font-family:var(--f-num);font-size:26px;color:var(--c-brand);letter-spacing:-.02em;line-height:1.1}
.side-stat span{font-size:13px;color:var(--c-body)}

/* ---------- CTA band ---------- */
.cta-band{position:relative;background:var(--c-dark);color:var(--c-dark-text);padding:64px 0;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(200,244,78,.06) 0 1px,transparent 1px 14px);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.cta-inner h2{font-size:clamp(22px,2.6vw,32px);color:#fff;line-height:1.35}
.cta-inner .cta-sub{margin-top:14px;font-size:15.5px;color:var(--c-dark-text);line-height:1.85;max-width:560px}
.cta-points{margin-top:24px;display:grid;gap:12px}
.cta-points li{display:flex;align-items:flex-start;gap:11px;font-size:15px;color:var(--c-dark-text)}
.cta-points li::before{
  content:"";flex:0 0 auto;width:9px;height:9px;margin-top:9px;
  background:var(--c-signal);border-radius:2px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-panel{
  border:1px solid rgba(200,244,78,.18);border-radius:var(--r-block);
  padding:26px;background:rgba(255,255,255,.03);
}
.cta-panel h3{color:#fff;font-size:17px;margin-bottom:16px}
.cta-panel ul li{display:flex;justify-content:space-between;gap:14px;font-size:14.5px;padding:11px 0;border-bottom:1px dashed rgba(232,237,231,.18)}
.cta-panel ul li:last-child{border-bottom:none}
.cta-panel ul li b{color:var(--c-signal);font-family:var(--f-num);font-size:17px;font-weight:700;letter-spacing:-.02em}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-surface);border-top:1px solid var(--c-line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--c-body);margin:16px 0 18px;max-width:300px}
.fb-line{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--c-body);margin-bottom:8px}
.fb-line i{color:var(--c-brand-300);font-size:13px;width:16px}
.site-footer h4{font-size:15px;margin-bottom:16px}
.footer-links li+li{margin-top:10px}
.footer-links a{font-size:14px;color:var(--c-body);display:inline-block;transition:color var(--t),transform var(--t)}
.footer-links a:hover{color:var(--c-brand);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:var(--c-body);
}
.to-top{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink);
  transition:background var(--t),color var(--t),border-color var(--t);
}
.to-top:hover{background:var(--c-brand);border-color:var(--c-brand);color:#fff}

/* ---------- Responsive ---------- */
@media (max-width:1200px){
  .cta-inner{grid-template-columns:1fr;gap:32px}
}
@media (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px}
  .header-note{display:none}
  .header-search{max-width:260px}
  .art-side{position:static;margin-top:40px}
  .cta-band{padding:56px 0}
  .related-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .card-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px}
  body{font-size:16px}
  .brand-inner{height:60px;gap:14px}
  .header-search{display:none}
  .header-cta{display:none}
  .burger{display:inline-flex}
  .article-hero{padding:20px 0 30px}
  .art-main{padding:40px 0 56px}
  .art-meta{gap:10px;font-size:13.5px}
  .art-meta .divider{display:none}
  .art-lead{font-size:15.5px}
  .art-content{font-size:16px;max-width:100%}
  .art-content h2{font-size:20px}
  .art-content h3{font-size:17px}
  .art-content table{display:block;overflow-x:auto;white-space:nowrap}
  .adj-grid{grid-template-columns:1fr}
  .adj-card.is-next{text-align:left}
  .adj-card.is-next .adj-label{justify-content:flex-start}
  .card-grid{grid-template-columns:1fr}
  .related-band,.cta-band{padding:44px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{padding:18px 0}
  .breadcrumbs .current{max-width:100%;white-space:normal}
}
@media (max-width:520px){
  .art-content{line-height:1.85}
  .btn{padding:13px 22px;font-size:14.5px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --c-brand:#123B2E;
  --c-brand-700:#0D2E23;
  --c-brand-300:#2E6B52;
  --c-accent:#FF5A1F;
  --c-accent-700:#D93A0B;
  --c-signal:#C8F44E;
  --c-ink:#101613;
  --c-body:#4C574F;
  --c-line:#E3E6DC;
  --c-paper:#F6F5F0;
  --c-surface:#FFFFFF;
  --c-dark:#0E1613;
  --c-dark-text:#E8EDE7;
  --c-success:#1E9E6A;
  --c-warn:#E0A800;
  --c-error:#D93A3A;
  --r-card:14px;
  --r-media:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-block:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,22,19,.06),0 10px 26px -14px rgba(16,22,19,.18);
  --sh-2:0 2px 4px rgba(16,22,19,.08),0 18px 38px -16px rgba(16,22,19,.26);
  --t-fast:180ms ease-out;
  --t-base:240ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-body);background:var(--c-paper);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t-fast),background-color var(--t-fast),border-color var(--t-fast);}
a:hover{color:var(--c-accent-700);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
h1{font-size:46px;line-height:1.2;font-weight:800;}
h2{font-size:34px;}
h3{font-size:23px;line-height:1.45;}
h4{font-size:18px;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--c-accent);outline-offset:2px;border-radius:var(--r-btn);}
::selection{background:var(--c-signal);color:var(--c-ink);}

/* ---------- 容器与栅格 ---------- */
.grid-container{max-width:1240px;padding-left:32px;padding-right:32px;}
.grid-x{display:flex;flex-wrap:wrap;}
.grid-x.gx{margin-left:-12px;margin-right:-12px;}
.grid-x.gx>.cell{padding-left:12px;padding-right:12px;}
.section{padding-top:88px;padding-bottom:88px;}
.section--paper{background:var(--c-paper);}
.section--white{background:var(--c-surface);}
.section--tight{padding-top:64px;padding-bottom:64px;}

/* ---------- 按钮族 ---------- */
.button,.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  padding:14px 28px;border-radius:var(--r-btn);border:0;cursor:pointer;
  text-align:center;transition:background-color var(--t-fast),color var(--t-fast),border-color var(--t-fast),transform var(--t-fast),box-shadow var(--t-base);
  background:transparent;
}
.btn-brand,.button.btn-brand{background:var(--c-brand);color:#fff;}
.btn-brand:hover{background:var(--c-brand-700);color:#fff;transform:translateY(-1px);}
.btn-brand:active{transform:translateY(0);}
.btn-accent,.button.btn-accent{background:var(--c-accent);color:var(--c-ink);}
.btn-accent:hover{background:var(--c-accent-700);color:var(--c-ink);transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);}
.btn-outline,.button.btn-outline{background:transparent;color:var(--c-brand);box-shadow:inset 0 0 0 1.5px var(--c-brand);}
.btn-outline:hover{background:var(--c-paper);color:var(--c-brand-700);}
.btn-ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(232,237,231,.5);}
.btn-ghost:hover{color:var(--c-signal);box-shadow:inset 0 0 0 1.5px var(--c-signal);}
.btn-text{display:inline-flex;align-items:center;gap:8px;padding:0;background:none;border:0;color:var(--c-brand);font-weight:600;font-size:15px;cursor:pointer;}
.btn-text i{transition:transform var(--t-fast);}
.btn-text:hover{color:var(--c-accent);}
.btn-text:hover i{transform:translateX(4px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 头部：品牌行 + 频道行 ---------- */
.site-header{position:relative;z-index:40;background:var(--c-surface);}
.brand-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.brand-inner{display:flex;align-items:center;gap:22px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);}
.logo:hover{color:var(--c-ink);}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;background:var(--c-brand);color:var(--c-signal);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.logo-text{display:inline-flex;align-items:baseline;gap:4px;font-size:19px;line-height:1;color:var(--c-ink);white-space:nowrap;}
.logo-text strong{font-weight:700;}
.logo-text span{font-weight:500;color:var(--c-body);}
.header-search{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:10px;
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-input);
  padding:0 14px;height:42px;transition:border-color var(--t-fast),box-shadow var(--t-fast);
}
.header-search:focus-within{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(18,59,46,.12);}
.header-search i{color:var(--c-body);font-size:14px;}
.header-search input{
  flex:1 1 auto;border:0;background:transparent;height:40px;font-size:14px;color:var(--c-ink);outline:none;
}
.header-search input::placeholder{color:#8A928B;}
.header-note{font-size:14px;color:var(--c-body);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.header-note i{color:var(--c-success);}
.header-cta{flex:0 0 auto;}
.burger{
  display:none;width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:var(--c-paper);color:var(--c-brand);font-size:16px;cursor:pointer;
}
.burger:hover{background:var(--c-line);}
.channel-bar{position:sticky;top:0;z-index:35;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow var(--t-base);}
.channel-bar.is-stuck{box-shadow:0 6px 18px -12px rgba(16,22,19,.35);}
.channel-inner{display:flex;align-items:stretch;gap:6px;height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;display:inline-flex;align-items:center;padding:0 16px;height:52px;flex:0 0 auto;
  font-size:15px;color:var(--c-body);font-weight:500;white-space:nowrap;
}
.channel::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;background:transparent;transition:background-color var(--t-fast);}
.channel:hover{color:var(--c-brand);}
.channel:hover::after{background:var(--c-line);}
.channel.is-active{color:var(--c-ink);font-weight:700;background:var(--c-paper);}
.channel.is-active::after{height:3px;background:var(--c-accent);left:0;right:0;}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:80;visibility:hidden;opacity:0;transition:opacity var(--t-base),visibility var(--t-base);}
.drawer.is-open{visibility:visible;opacity:1;}
.drawer-mask{position:absolute;inset:0;background:rgba(14,22,19,.55);border:0;padding:0;cursor:pointer;width:100%;}
.drawer-panel{
  position:absolute;top:0;left:0;bottom:0;width:min(360px,88vw);background:var(--c-surface);
  padding:24px 22px 32px;overflow-y:auto;transform:translateX(-100%);transition:transform var(--t-base);
  box-shadow:var(--sh-2);
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-close{
  position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:var(--c-paper);color:var(--c-ink);cursor:pointer;font-size:16px;
}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--c-line);}
.drawer-nav{padding:16px 0;display:flex;flex-direction:column;}
.drawer-nav a{padding:13px 0;font-size:16px;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.drawer-nav a.is-active{color:var(--c-brand);font-weight:700;}
.drawer-nav a:hover{color:var(--c-accent-700);}
.drawer-foot{margin-top:20px;font-size:14px;color:var(--c-body);}
.drawer-foot .btn{margin-bottom:14px;}

/* ---------- Hero ---------- */
.page-hero{position:relative;background:var(--c-dark);overflow:hidden;border-radius:0 0 var(--r-block) var(--r-block);}
.page-hero .hero-media{position:absolute;inset:0;}
.page-hero .hero-media img{width:100%;height:100%;object-fit:cover;opacity:.6;}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,22,19,.94) 0%,rgba(14,22,19,.76) 44%,rgba(14,22,19,.26) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:56px;padding-bottom:76px;}
.page-hero h1{color:#fff;max-width:760px;margin-bottom:16px;}
.page-hero .hero-sub{color:rgba(232,237,231,.86);font-size:17px;max-width:620px;margin-bottom:28px;line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  color:var(--c-signal);font-size:13px;font-weight:600;background:rgba(200,244,78,.08);
  border:1px solid rgba(200,244,78,.4);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(232,237,231,.7);margin-bottom:22px;}
.breadcrumb a{color:rgba(232,237,231,.86);}
.breadcrumb a:hover{color:var(--c-signal);}
.breadcrumb span{opacity:.5;}
.breadcrumb b{color:#fff;font-weight:600;}

/* ---------- 数据条 ---------- */
.stat-strip{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.stats{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:26px 24px;border-right:1px solid var(--c-line);}
.stat:last-child{border-right:0;}
.stat-head{display:flex;align-items:baseline;gap:6px;}
.stat-num{
  font-size:34px;font-weight:700;color:var(--c-brand);letter-spacing:-.02em;line-height:1.1;
  font-variant-numeric:tabular-nums;font-family:"Barlow Condensed","Oswald","Noto Sans SC",system-ui,sans-serif;
}
.stat-unit{font-size:14px;color:var(--c-body);}
.stat p{font-size:14px;line-height:1.7;margin:6px 0 0;color:var(--c-body);}

/* ---------- 标题组 ---------- */
.sec-head{margin-bottom:44px;max-width:760px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-brand);
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:16px;
}
.sec-eyebrow i{color:var(--c-accent);}
.sec-head h2{margin-bottom:14px;}
.sec-head p{font-size:16px;line-height:1.85;color:var(--c-body);max-width:640px;}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.sec-head--row .sec-head-text{max-width:720px;}

/* ---------- 卖点（无卡片，竖分隔） ---------- */
.point-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.point{padding:8px 26px;border-left:1px solid var(--c-line);}
.point:first-child{border-left:0;padding-left:0;}
.point-ico{
  width:48px;height:48px;border-radius:12px;background:var(--c-paper);color:var(--c-brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:18px;
}
.point h3{font-size:18px;margin-bottom:10px;}
.point p{font-size:14px;line-height:1.8;color:var(--c-body);}

/* ---------- 图文交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split+.split{margin-top:72px;}
.split-media{position:relative;border-radius:var(--r-media);overflow:hidden;box-shadow:var(--sh-1);}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform var(--t-base);}
.split-media:hover img{transform:scale(1.03);}
.split-media::after{content:"";position:absolute;inset:0;background:rgba(14,22,19,0);transition:background-color var(--t-base);}
.split-media:hover::after{background:rgba(14,22,19,.16);}
.split-body h3{font-size:23px;margin-bottom:16px;}
.split-body p{font-size:16px;line-height:1.85;}
.split-body .list-check{margin:20px 0 24px;}
.split--reverse .split-media{order:2;}
.split--reverse .split-body{order:1;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.tag{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;background:var(--c-paper);color:var(--c-brand);border:1px solid var(--c-line);
}

/* ---------- 列表 ---------- */
.list-check li{position:relative;padding-left:22px;margin-bottom:12px;font-size:15px;line-height:1.8;color:var(--c-body);}
.list-check li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--c-brand-300);
}
.list-dot li{position:relative;padding-left:24px;margin-bottom:12px;font-size:15px;line-height:1.8;color:rgba(232,237,231,.86);}
.list-dot li::before{
  content:"";position:absolute;left:0;top:10px;width:9px;height:9px;border-radius:2px;background:var(--c-signal);
}

/* ---------- 规格参数表 ---------- */
.table-wrap{border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;background:var(--c-surface);}
.table-scroll{overflow-x:auto;}
table.spec{width:100%;border-collapse:collapse;min-width:820px;}
table.spec caption{text-align:left;padding:18px 22px;font-size:14px;color:var(--c-body);}
table.spec th,table.spec td{padding:15px 20px;font-size:15px;text-align:left;border-bottom:1px solid var(--c-line);}
table.spec thead th{
  background:var(--c-brand);color:#fff;font-weight:600;font-size:14px;letter-spacing:.02em;border-bottom:0;
}
table.spec tbody tr:nth-child(odd){background:var(--c-paper);}
table.spec tbody tr:nth-child(even){background:var(--c-surface);}
table.spec tbody tr:hover{background:#EFF2E9;}
table.spec td:first-child{font-weight:600;color:var(--c-ink);}
table.spec tbody tr:last-child td{border-bottom:0;}
.cell-num{font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

/* ---------- 图墙 2×2 ---------- */
.wall{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.wall-card{position:relative;border-radius:var(--r-media);overflow:hidden;display:block;box-shadow:var(--sh-1);}
.wall-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform var(--t-base);}
.wall-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(14,22,19,.82) 0%,rgba(14,22,19,.18) 46%,rgba(14,22,19,0) 72%);
  transition:background-color var(--t-base);
}
.wall-card figcaption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff;
  transition:transform var(--t-base);
}
.wall-card figcaption strong{display:block;font-size:17px;font-weight:700;margin-bottom:4px;}
.wall-card figcaption span{font-size:14px;color:rgba(255,255,255,.82);}
.wall-card:hover img{transform:scale(1.03);}
.wall-card:hover::after{background:linear-gradient(to top,rgba(14,22,19,.92) 0%,rgba(14,22,19,.4) 52%,rgba(14,22,19,.08) 78%);}
.wall-card:hover figcaption{transform:translateY(-6px);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:8fr 4fr;gap:56px;align-items:start;}
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;padding:22px 0 22px 0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--c-ink);line-height:1.6;position:relative;
  transition:color var(--t-fast),padding-left var(--t-fast);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:transparent;
  transition:background-color var(--t-fast);
}
.faq-q:hover{color:var(--c-brand);}
.faq-item.is-open .faq-q{color:var(--c-brand);padding-left:16px;}
.faq-item.is-open .faq-q::before{background:var(--c-accent);}
.faq-icon{
  position:relative;flex:0 0 24px;width:24px;height:24px;border:1px solid var(--c-line);border-radius:6px;
  background:var(--c-surface);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-brand);transition:transform var(--t-fast),opacity var(--t-fast);
}
.faq-icon::before{left:6px;right:6px;top:11px;height:2px;}
.faq-icon::after{top:6px;bottom:6px;left:11px;width:2px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t-base);}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a-inner{padding:0 46px 22px 16px;font-size:15px;line-height:1.85;color:var(--c-body);}
.faq-aside{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.faq-aside .aside-ico{
  width:56px;height:56px;border-radius:14px;background:var(--c-paper);color:var(--c-brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px;
}
.faq-aside h4{margin-bottom:12px;font-size:17px;}
.faq-aside p{font-size:14px;line-height:1.8;margin-bottom:18px;}
.faq-aside .aside-line{font-size:14px;color:var(--c-body);display:flex;align-items:center;gap:8px;margin-bottom:10px;}
.faq-aside .aside-line i{color:var(--c-accent);}

/* ---------- CTA 深色区 ---------- */
.cta-band{
  background:var(--c-dark);color:var(--c-dark-text);border-radius:var(--r-block);
  border:1px solid rgba(200,244,78,.18);
  padding:56px;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:repeating-linear-gradient(115deg,rgba(200,244,78,.9) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(232,237,231,.82);font-size:16px;}
.cta-band .list-dot{margin:22px 0 0;}
.cta-actions{display:flex;flex-direction:column;gap:14px;}
.cta-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(232,237,231,.16);border-radius:var(--r-card);
  padding:26px;
}
.cta-card h4{color:#fff;font-size:16px;margin-bottom:14px;}
.cta-card .aside-line{color:rgba(232,237,231,.8);font-size:14px;display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.cta-card .aside-line i{color:var(--c-signal);}

/* ---------- 面包屑区块（浅色） ---------- */
.band{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.band-inner{padding:18px 0;}
.band .breadcrumb{color:var(--c-body);margin-bottom:0;}
.band .breadcrumb a{color:var(--c-body);}
.band .breadcrumb a:hover{color:var(--c-accent-700);}
.band .breadcrumb b{color:var(--c-ink);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-surface);border-top:1px solid var(--c-line);padding-top:72px;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:14px;line-height:1.8;max-width:290px;margin-bottom:18px;}
.fb-line{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--c-body);margin-bottom:10px;}
.fb-line i{color:var(--c-brand-300);}
.site-footer h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--c-ink);}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14px;color:var(--c-body);display:inline-block;transition:color var(--t-fast),transform var(--t-fast);}
.footer-links a:hover{color:var(--c-brand);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:20px 0 26px;display:flex;align-items:center;gap:20px;
  font-size:13px;color:var(--c-body);flex-wrap:wrap;
}
.to-top{
  margin-left:auto;width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-brand);cursor:pointer;transition:background-color var(--t-fast),color var(--t-fast);
}
.to-top:hover{background:var(--c-brand);color:#fff;border-color:var(--c-brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  h3{font-size:20px;}
  .grid-container{padding-left:24px;padding-right:24px;}
  .header-search{display:none;}
  .header-note{display:none;}
  .section{padding-top:64px;padding-bottom:64px;}
  .page-hero h1{max-width:none;}
  .point-grid{grid-template-columns:1fr 1fr;row-gap:34px;}
  .point{border-left:0;border-top:1px solid var(--c-line);padding:26px 0 0;}
  .point:first-child,.point:nth-child(2){border-top:0;padding-top:0;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split--reverse .split-media{order:0;}
  .split--reverse .split-body{order:0;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .cta-band{padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .stats{grid-template-columns:1fr 1fr;}
  .stat{border-bottom:1px solid var(--c-line);}
  .stat:nth-child(2n){border-right:0;}
  .stat:nth-child(n+3){border-bottom:0;}
}
@media (max-width:767px){
  .burger{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .header-cta{display:none;}
  .brand-inner{gap:14px;height:60px;}
  .logo-text{font-size:17px;}
  .wall{grid-template-columns:1fr;}
  .grid-x.gx{margin-left:-10px;margin-right:-10px;}
  .grid-x.gx>.cell{padding-left:10px;padding-right:10px;}
}
@media (max-width:519px){
  h1{font-size:28px;}
  h2{font-size:23px;}
  h3{font-size:19px;}
  body{font-size:15px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .section{padding-top:48px;padding-bottom:48px;}
  .point-grid{grid-template-columns:1fr;}
  .point{border-top:1px solid var(--c-line);padding-top:24px;}
  .point:nth-child(2){border-top:1px solid var(--c-line);padding-top:24px;}
  .point:first-child{border-top:0;padding-top:0;}
  .stats{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--c-line);}
  .stat:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px;border-radius:16px;}
  .hero-inner{padding-top:40px;padding-bottom:56px;}
  .hero-actions .btn{width:100%;}
  .faq-a-inner{padding-right:16px;}
}

/* roulang page: category3 */
:root{
  --c-brand:#123B2E;
  --c-brand-700:#0D2E23;
  --c-brand-300:#2E6B52;
  --c-accent:#FF5A1F;
  --c-accent-700:#D93A0B;
  --c-signal:#C8F44E;
  --c-ink:#101613;
  --c-body:#4C574F;
  --c-line:#E3E6DC;
  --c-paper:#F6F5F0;
  --c-surface:#FFFFFF;
  --c-dark:#0E1613;
  --c-dark-text:#E8EDE7;
  --c-success:#1E9E6A;
  --c-warn:#E0A800;
  --c-error:#D93A3A;
  --r-btn:10px;
  --r-img:12px;
  --r-card:14px;
  --r-block:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,22,19,.06),0 10px 26px -14px rgba(16,22,19,.18);
  --sh-2:0 2px 4px rgba(16,22,19,.08),0 18px 38px -16px rgba(16,22,19,.26);
  --t:180ms ease-out;
  --t2:240ms ease-out;
  --num-font:"Barlow Condensed","Oswald","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-body);
  background:var(--c-surface);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:.01em;}
h1{font-size:46px;line-height:1.2;font-weight:800;}
h2{font-size:34px;line-height:1.3;}
h3{font-size:23px;line-height:1.45;}
h4{font-size:18px;line-height:1.5;}
p{margin:0 0 1.15em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,90,31,.55);border-radius:var(--r-btn);}

/* ---------- 布局容器 ---------- */
.container{max-width:1240px;margin:0 auto;padding:0 32px;width:100%;}
.grid-container{max-width:1240px;padding-left:32px;padding-right:32px;}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.section-paper{background:var(--c-paper);}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{margin-bottom:14px;}
.sec-head p{font-size:16px;color:var(--c-body);margin:0;}

/* ---------- 顶部导航 ---------- */
.site-header{position:relative;z-index:60;background:var(--c-surface);}
.brand-bar{border-bottom:1px solid var(--c-line);background:var(--c-surface);}
.brand-inner{display:flex;align-items:center;gap:24px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);}
.logo:hover{color:var(--c-ink);}
.logo-mark{
  width:36px;height:36px;border-radius:var(--r-btn);
  background:var(--c-brand);color:var(--c-signal);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--num-font);font-size:16px;font-weight:700;letter-spacing:.02em;
}
.logo-text{display:inline-flex;align-items:baseline;gap:2px;font-size:19px;letter-spacing:.01em;}
.logo-text strong{font-weight:700;}
.logo-text span{font-weight:500;color:var(--c-brand-300);}
.header-search{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:340px;
  height:40px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-paper);transition:border-color var(--t),background var(--t);
}
.header-search:focus-within{border-color:var(--c-brand);background:#fff;box-shadow:0 0 0 3px rgba(18,59,46,.12);}
.header-search i{color:var(--c-body);font-size:13px;}
.header-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--c-ink);font-family:inherit;
}
.header-search input::placeholder{color:#8A938C;}
.header-note{font-size:14px;color:var(--c-body);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;}
.header-note i{color:var(--c-success);}
.header-cta{margin-left:auto;}
.burger{display:none;width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--c-line);color:var(--c-ink);font-size:17px;}
.burger:hover{border-color:var(--c-brand);color:var(--c-brand);}

.channel-bar{
  position:sticky;top:0;z-index:55;
  background:var(--c-surface);border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t2);
}
.channel-bar.is-stuck{box-shadow:0 8px 20px -16px rgba(16,22,19,.5);}
.channel-inner{display:flex;align-items:stretch;gap:6px;height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{
  position:relative;display:inline-flex;align-items:center;
  padding:0 18px;font-size:15px;font-weight:600;color:var(--c-body);
  white-space:nowrap;transition:color var(--t),background var(--t);
}
.channel::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:transparent;border-radius:2px;transition:background var(--t);
}
.channel:hover{color:var(--c-brand);background:var(--c-paper);}
.channel:hover::after{background:var(--c-line);}
.channel.is-active{color:var(--c-brand);background:var(--c-paper);font-weight:700;}
.channel.is-active::after{height:3px;background:var(--c-accent);}

/* ---------- 按钮族 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1.5px solid transparent;transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  line-height:1.2;
}
.btn-brand{background:var(--c-brand);color:#fff;}
.btn-brand:hover{background:var(--c-brand-700);color:#fff;transform:translateY(-1px);}
.btn-brand:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:var(--c-ink);}
.btn-accent:hover{background:var(--c-accent-700);color:var(--c-ink);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn-ghost:hover{background:var(--c-paper);color:var(--c-brand-700);}
.btn-ghost-dark{background:transparent;border-color:rgba(232,237,231,.5);color:var(--c-dark-text);}
.btn-ghost-dark:hover{border-color:var(--c-signal);color:var(--c-signal);}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--c-brand);
  font-size:15px;padding:4px 0;
}
.btn-text i{transition:transform var(--t);font-size:13px;}
.btn-text:hover{color:var(--c-accent);}
.btn-text:hover i{transform:translateX(4px);}
.btn-sm{padding:10px 18px;font-size:14px;}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:24px 0 0;background:var(--c-surface);}
.crumb{font-size:14px;color:var(--c-body);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--c-body);}
.crumb a:hover{color:var(--c-brand);}
.crumb .sep{color:#A9B2A9;}
.crumb .cur{color:var(--c-ink);font-weight:700;}

/* ---------- Hero ---------- */
.lesson-hero{padding:40px 0 0;background:var(--c-surface);}
.lesson-hero-inner{max-width:820px;margin:0 auto;text-align:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-pill);
  background:var(--c-paper);color:var(--c-brand);font-size:13px;font-weight:600;
  border:1px solid var(--c-line);margin-bottom:22px;
}
.lesson-hero h1{font-size:46px;margin-bottom:18px;}
.lesson-hero .lead{font-size:17px;line-height:1.8;color:var(--c-body);margin:0 auto 28px;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.hero-figure{margin-top:48px;position:relative;border-radius:var(--r-block);overflow:hidden;box-shadow:var(--sh-1);}
.hero-figure img{width:100%;aspect-ratio:21/9;object-fit:cover;background:var(--c-paper);}
.hero-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:48px 32px 22px;
  background:linear-gradient(to top,rgba(14,22,19,.78),rgba(14,22,19,0));
  color:#fff;font-size:14px;line-height:1.7;
}
.hero-badge{
  position:absolute;right:24px;top:24px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(14,22,19,.72);border:1px solid rgba(200,244,78,.55);
  color:var(--c-signal);font-size:13px;font-weight:600;
  display:inline-flex;align-items:center;gap:7px;
}

/* ---------- 数据条 ---------- */
.stat-strip{
  margin-top:36px;background:var(--c-paper);border:1px solid var(--c-line);
  border-radius:var(--r-block);padding:26px 8px;
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat-strip .stat{padding:0 22px;border-right:1px solid var(--c-line);}
.stat-strip .stat:last-child{border-right:0;}
.stat b{
  display:block;font-family:var(--num-font);font-size:34px;line-height:1.1;
  font-weight:700;color:var(--c-brand);letter-spacing:-.02em;font-variant-numeric:tabular-nums;
}
.stat span{display:block;font-size:14px;color:var(--c-body);margin-top:6px;}

/* ---------- 目录 + 正文 ---------- */
.lesson-body{padding:64px 0 88px;}
.toc-col{position:relative;}
.toc{
  position:sticky;top:76px;border-left:3px solid var(--c-brand);
  background:var(--c-paper);border-radius:0 var(--r-card) var(--r-card) 0;
  padding:22px 20px;
}
.toc h3{font-size:15px;font-weight:700;color:var(--c-ink);margin-bottom:14px;letter-spacing:.02em;}
.toc ol{counter-reset:toc;}
.toc li{margin-bottom:4px;}
.toc a{
  display:flex;gap:10px;padding:8px 10px;border-radius:var(--r-btn);
  font-size:14px;color:var(--c-body);line-height:1.6;transition:background var(--t),color var(--t);
}
.toc a .n{font-family:var(--num-font);font-weight:700;color:var(--c-brand-300);font-variant-numeric:tabular-nums;}
.toc a:hover{background:#fff;color:var(--c-brand);}
.toc a.is-current{background:#fff;color:var(--c-brand);font-weight:700;box-shadow:inset 3px 0 0 var(--c-accent);}
.toc a.is-current .n{color:var(--c-accent);}
.toc-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-body);}

.lesson{max-width:820px;}
.lesson-sec{margin-bottom:64px;scroll-margin-top:84px;}
.lesson-sec:last-child{margin-bottom:0;}
.lesson-sec h2{
  display:flex;align-items:flex-start;gap:14px;font-size:28px;
  margin-bottom:20px;padding-top:6px;border-top:3px solid var(--c-accent);
  padding-top:22px;
}
.lesson-sec h2 .sec-num{
  font-family:var(--num-font);font-size:26px;font-weight:700;color:var(--c-accent);
  line-height:1.25;letter-spacing:-.02em;
}
.lesson-sec h3{font-size:19px;margin:28px 0 12px;color:var(--c-ink);}
.lesson-sec p{font-size:16px;line-height:1.9;margin-bottom:1.1em;max-width:44ch;}
.lesson-sec p.wide{max-width:none;}

.dot-list{margin:18px 0 24px;}
.dot-list li{
  position:relative;padding-left:20px;margin-bottom:12px;
  font-size:15.5px;line-height:1.8;max-width:44ch;
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:12px;width:6px;height:6px;
  background:var(--c-brand);border-radius:2px;
}
.dot-list li b{color:var(--c-ink);font-weight:600;}

.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;margin:26px 0 30px;}
.split.rev .split-media{order:2;}
.split-media{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--c-paper);transition:transform var(--t2);}
.split-media:hover img{transform:scale(1.03);}
.split-text p{max-width:34ch;}

.note-box{
  border-left:4px solid var(--c-accent);background:var(--c-paper);
  padding:20px 24px;border-radius:0 var(--r-card) var(--r-card) 0;margin:26px 0;
}
.note-box h4{font-size:16px;margin-bottom:8px;color:var(--c-brand);}
.note-box p{font-size:15px;line-height:1.8;margin:0;max-width:46ch;}

.mini-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.mini-table caption{caption-side:top;text-align:left;font-size:14px;color:var(--c-body);padding-bottom:10px;}
.mini-table th,.mini-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--c-line);}
.mini-table thead th{background:var(--c-paper);color:var(--c-ink);font-weight:700;font-size:14px;}
.mini-table tbody tr:nth-child(even){background:#FBFAF7;}
.mini-table td:first-child{color:var(--c-ink);font-weight:600;}
.table-scroll{overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);}
.table-scroll .mini-table{margin:0;min-width:520px;}
.table-scroll .mini-table th:first-child,.table-scroll .mini-table td:first-child{padding-left:20px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0 22px 0;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);
  position:relative;transition:color var(--t),padding var(--t);
}
.faq-q:hover{color:var(--c-brand);}
.faq-item.is-open .faq-q{color:var(--c-brand);padding-left:18px;}
.faq-item.is-open .faq-q::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;
  background:var(--c-accent);border-radius:2px;
}
.faq-ico{
  flex:0 0 auto;width:24px;height:24px;border:1.5px solid var(--c-line);border-radius:6px;
  position:relative;transition:border-color var(--t),background var(--t);
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-brand);
  transform:translate(-50%,-50%);transition:transform var(--t2),background var(--t);
}
.faq-ico::before{width:12px;height:1.5px;}
.faq-ico::after{width:1.5px;height:12px;}
.faq-item.is-open .faq-ico{border-color:var(--c-accent);background:var(--c-paper);}
.faq-item.is-open .faq-ico::before,.faq-item.is-open .faq-ico::after{background:var(--c-accent);}
.faq-item.is-open .faq-ico::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t2);}
.faq-a-inner{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--c-body);max-width:52ch;}
.faq-item.is-open .faq-a{max-height:360px;}

/* ---------- CTA 深色区 ---------- */
.cta-band{
  background:var(--c-dark);color:var(--c-dark-text);
  padding:88px 0;position:relative;overflow:hidden;
  border-top:1px solid rgba(200,244,78,.18);border-bottom:1px solid rgba(200,244,78,.18);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(200,244,78,.06) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;position:relative;}
.cta-copy h2{color:#fff;font-size:34px;margin-bottom:16px;}
.cta-copy p{color:rgba(232,237,231,.78);font-size:16px;line-height:1.85;max-width:42ch;}
.cta-points{margin-top:22px;}
.cta-points li{
  position:relative;padding-left:20px;margin-bottom:12px;font-size:15px;
  color:rgba(232,237,231,.86);max-width:40ch;
}
.cta-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  background:var(--c-signal);border-radius:2px;
}
.form-card{
  background:var(--c-surface);color:var(--c-body);
  border-radius:var(--r-block);padding:32px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:21px;margin-bottom:6px;color:var(--c-ink);}
.form-card .fc-sub{font-size:14px;color:var(--c-body);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px;}
.field input[type=text],.field input[type=tel],.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;font-size:15px;font-family:inherit;
  color:var(--c-ink);background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  transition:border-color var(--t),box-shadow var(--t);outline:none;
}
.field textarea{height:auto;min-height:88px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(18,59,46,.12);
}
.field input::placeholder,.field textarea::placeholder{color:#9AA39C;}
.pill-group{display:flex;flex-wrap:wrap;gap:10px;}
.pill-group label{
  margin:0;padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  font-size:14px;font-weight:600;color:var(--c-body);cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.pill-group input{position:absolute;opacity:0;width:0;height:0;}
.pill-group input:checked + span{color:inherit;}
.pill-group label:has(input:checked){background:var(--c-brand);border-color:var(--c-brand);color:#fff;}
.pill-group label:hover{border-color:var(--c-brand-300);color:var(--c-brand);}
.pill-group label:has(input:checked):hover{color:#fff;}
.form-note{font-size:13px;color:var(--c-body);margin-top:14px;line-height:1.7;}
.form-actions{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.form-actions .btn{flex:1 1 200px;}
.form-success{
  display:flex;align-items:center;gap:16px;min-height:120px;
  background:rgba(30,158,106,.08);border:1px solid rgba(30,158,106,.35);
  border-radius:var(--r-card);padding:24px;
}
.form-success i{font-size:28px;color:var(--c-success);}
.form-success h4{font-size:17px;margin-bottom:4px;}
.form-success p{font-size:14px;margin:0;color:var(--c-body);}

/* ---------- 页尾文字按钮条 ---------- */
.more-row{
  padding:56px 0 0;display:flex;flex-wrap:wrap;gap:16px;
  align-items:center;justify-content:space-between;
  border-top:1px solid var(--c-line);margin-top:8px;
}
.more-row p{font-size:15px;color:var(--c-body);margin:0;max-width:46ch;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-paper);border-top:1px solid var(--c-line);padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--c-body);max-width:30ch;margin-bottom:16px;}
.fb-line{font-size:14px;color:var(--c-body);display:flex;align-items:center;gap:8px;margin-bottom:8px;}
.fb-line i{color:var(--c-brand-300);}
.site-footer h4{font-size:15px;font-weight:700;color:var(--c-ink);margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--c-body);display:inline-block;transition:color var(--t),transform var(--t);}
.footer-links a:hover{color:var(--c-brand);transform:translateX(2px);}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--c-line);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:14px;
  align-items:center;justify-content:space-between;font-size:13.5px;color:var(--c-body);
}
.to-top{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);
  color:var(--c-brand);display:inline-flex;align-items:center;justify-content:center;
  transition:background var(--t),color var(--t),border-color var(--t);
}
.to-top:hover{background:var(--c-brand);border-color:var(--c-brand);color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  h1{font-size:42px;}
  .lesson-hero h1{font-size:42px;}
}
@media (max-width:1023px){
  .container,.grid-container{padding-left:24px;padding-right:24px;}
  .section{padding:64px 0;}
  .section-sm{padding:48px 0;}
  h1,h2{font-size:32px;}
  h3{font-size:20px;}
  .lesson-hero h1{font-size:32px;}
  .cta-copy h2{font-size:26px;}
  .header-search{display:none;}
  .header-note{display:none;}
  .stat-strip{grid-template-columns:repeat(2,1fr);row-gap:24px;}
  .stat-strip .stat:nth-child(2){border-right:0;}
  .split{grid-template-columns:1fr;gap:20px;}
  .split.rev .split-media{order:0;}
  .split-text p{max-width:44ch;}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .toc{position:static;margin-bottom:32px;}
  .lesson-sec h2{font-size:24px;}
}
@media (max-width:639px){
  .container,.grid-container{padding-left:20px;padding-right:20px;}
  body{font-size:15.5px;}
  h1,h2{font-size:28px;}
  .lesson-hero{padding-top:28px;}
  .lesson-hero h1{font-size:28px;}
  .lesson-hero .lead{font-size:15.5px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .hero-figure img{aspect-ratio:16/10;}
  .hero-figure figcaption{padding:36px 20px 18px;font-size:13px;}
  .hero-badge{right:16px;top:16px;font-size:12px;}
  .stat-strip{grid-template-columns:1fr;padding:20px 18px;}
  .stat-strip .stat{border-right:0;padding:0 0 0 0;border-bottom:1px solid var(--c-line);padding-bottom:16px;}
  .stat-strip .stat:last-child{border-bottom:0;padding-bottom:0;}
  .brand-inner{height:60px;gap:14px;}
  .logo-text{font-size:17px;}
  .header-cta{display:none;}
  .burger{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .channel-bar{position:static;}
  .channel-inner{height:48px;}
  .channel{padding:0 14px;font-size:14px;}
  .toc{padding:18px 16px;}
  .lesson-sec{margin-bottom:48px;}
  .lesson-sec h2{font-size:21px;gap:10px;}
  .lesson-sec h2 .sec-num{font-size:20px;}
  .lesson-sec p,.dot-list li{max-width:none;}
  .faq-q{font-size:16px;padding:18px 0;}
  .cta-band{padding:56px 0;}
  .form-card{padding:22px;}
  .form-actions{flex-direction:column;align-items:stretch;}
  .form-actions .btn{width:100%;}
  .more-row{padding-top:40px;flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:56px;}
}
@media (min-width:1024px){
  .header-cta{margin-left:0;}
}
.mobile-drawer{display:none;}
@media (max-width:639px){
  .channel-bar.is-drawer-open .channel-inner{
    height:auto;flex-direction:column;align-items:stretch;padding:10px 0;
  }
  .channel-bar.is-drawer-open .channel{padding:14px 20px;border-bottom:1px solid var(--c-line);}
  .channel-bar.is-drawer-open .channel::after{display:none;}
}

/* roulang page: category4 */
:root{
  --c-brand:#123B2E;
  --c-brand-700:#0D2E23;
  --c-brand-300:#2E6B52;
  --c-accent:#FF5A1F;
  --c-accent-700:#D93A0B;
  --c-signal:#C8F44E;
  --c-ink:#101613;
  --c-body:#4C574F;
  --c-line:#E3E6DC;
  --c-paper:#F6F5F0;
  --c-surface:#FFFFFF;
  --c-dark:#0E1613;
  --c-dark-text:#E8EDE7;
  --c-ok:#1E9E6A;
  --c-warn:#E0A800;
  --c-err:#D93A3A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(16,22,19,.06),0 10px 26px -14px rgba(16,22,19,.18);
  --sh-2:0 2px 4px rgba(16,22,19,.08),0 18px 38px -16px rgba(16,22,19,.26);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-body);
  background:var(--c-surface);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--c-brand);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--c-accent)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,90,31,.55);border-radius:var(--r-btn)}
::selection{background:var(--c-brand);color:#fff}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* ---------- 顶部品牌行 ---------- */
.site-header{position:relative;z-index:60;background:#fff}
.brand-bar{background:#fff;border-bottom:1px solid var(--c-line)}
.brand-inner{display:flex;align-items:center;gap:18px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;letter-spacing:.02em;
}
.logo-text{display:inline-flex;align-items:baseline;gap:2px;white-space:nowrap}
.logo-text strong{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:.01em}
.logo-text span{font-size:13px;font-weight:500;color:var(--c-ink)}
.header-search{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:360px;
  height:40px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:var(--c-paper);transition:border-color .18s ease-out,background .18s ease-out;
}
.header-search i{color:var(--c-body);font-size:14px}
.header-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--c-ink)}
.header-search input::placeholder{color:#8A938C}
.header-search:focus-within{border-color:var(--c-brand);background:#fff}
.header-note{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--c-body);white-space:nowrap}
.header-note i{color:var(--c-ok)}
.burger{
  display:none;width:42px;height:42px;border:1px solid var(--c-line);background:#fff;
  border-radius:var(--r-btn);color:var(--c-ink);cursor:pointer;font-size:17px;
}

/* ---------- 频道行 ---------- */
.channel-bar{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .24s ease-out}
.channel-bar.is-stuck{box-shadow:0 8px 20px -14px rgba(16,22,19,.35)}
.channel-inner{display:flex;align-items:stretch;gap:2px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;flex:0 0 auto;padding:15px 16px;font-size:15px;color:var(--c-body);
  white-space:nowrap;transition:color .18s ease-out,background .18s ease-out;
}
.channel::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:transparent;transition:background .18s ease-out;
}
.channel:hover{color:var(--c-ink);background:var(--c-paper)}
.channel:hover::after{background:var(--c-line)}
.channel.is-active{color:var(--c-ink);font-weight:700;background:var(--c-paper)}
.channel.is-active::after{height:3px;background:var(--c-accent);left:12px;right:12px}

/* ---------- 按钮族 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn:active{transform:translateY(1px)}
.btn-brand{background:var(--c-brand);color:#fff}
.btn-brand:hover{background:var(--c-brand-700);color:#fff;transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:var(--c-ink)}
.btn-accent:hover{background:var(--c-accent-700);color:var(--c-ink);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-paper);color:var(--c-brand-700);border-color:var(--c-brand-700)}
.btn-ghost-light{background:transparent;border-color:rgba(232,237,231,.5);color:#fff}
.btn-ghost-light:hover{border-color:var(--c-signal);color:var(--c-signal)}
.btn-block{width:100%}
.btn-sm{padding:10px 20px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--c-brand);font-size:15px}
.text-link i{transition:transform .18s ease-out}
.text-link:hover i{transform:translateX(4px)}
.header-cta{padding:11px 22px;font-size:14px}

/* ---------- Hero ---------- */
.hero-member{
  position:relative;padding:56px 0 72px;
  background:linear-gradient(rgba(14,22,19,.86),rgba(14,22,19,.74)),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  color:var(--c-dark-text);
  border-bottom:1px solid rgba(200,244,78,.16);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(232,237,231,.75);margin-bottom:24px}
.breadcrumb a{color:rgba(232,237,231,.85)}
.breadcrumb a:hover{color:var(--c-signal)}
.breadcrumb .sep{color:rgba(232,237,231,.45)}
.breadcrumb .current{color:#fff;font-weight:600}
.hero-inner{max-width:820px;margin:0 auto;text-align:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(200,244,78,.35);color:var(--c-signal);font-size:13px;margin-bottom:20px;
}
.hero-member h1{font-size:46px;line-height:1.2;color:#fff;font-weight:800;letter-spacing:-.01em}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.85;color:rgba(232,237,231,.82)}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.hero-stats{
  margin-top:44px;display:flex;flex-wrap:wrap;justify-content:center;gap:0;
  border-top:1px solid rgba(232,237,231,.16);padding-top:28px;
}
.hero-stats .stat{flex:1 1 160px;padding:0 24px;position:relative}
.hero-stats .stat + .stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:rgba(232,237,231,.16)}
.hero-stats .stat b{display:block;font-size:34px;font-weight:700;color:var(--c-signal);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1}
.hero-stats .stat span{display:block;margin-top:8px;font-size:14px;color:rgba(232,237,231,.72)}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section--paper{background:var(--c-paper)}
.section--dark{background:var(--c-dark);color:var(--c-dark-text);position:relative;overflow:hidden}
.section--dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(200,244,78,.06) 0 1px,transparent 1px 22px);
}
.section--dark > *{position:relative;z-index:1}
.section--dark h2,.section--dark h3{color:#fff}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;padding:4px 12px;border-radius:999px;background:var(--c-paper);
  color:var(--c-brand);font-size:13px;font-weight:600;margin-bottom:14px;
}
.section--dark .eyebrow{background:rgba(255,255,255,.08);color:var(--c-signal)}
.sec-head h2{font-size:34px}
.sec-head p{margin-top:14px;font-size:16px;line-height:1.85}
.section--dark .sec-head p{color:rgba(232,237,231,.78)}
.inline-link{color:var(--c-accent);font-weight:600}

/* ---------- 权益卡 ---------- */
.plan-grid{margin-top:8px}
.plan-col{display:flex;margin-bottom:32px}
.plan-card{
  position:relative;display:flex;flex-direction:column;width:100%;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-1);
  transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand-300)}
.plan-card.is-featured{border:2px solid var(--c-brand);box-shadow:var(--sh-2);margin-top:-24px;padding:40px 26px 30px}
.plan-badge{
  position:absolute;top:-13px;left:22px;padding:4px 12px;border-radius:999px;
  background:var(--c-signal);color:var(--c-ink);font-size:12px;font-weight:700;letter-spacing:.02em;
}
.plan-name{font-size:20px;font-weight:700;color:var(--c-ink)}
.plan-price{margin-top:14px;display:flex;align-items:baseline;gap:6px}
.plan-price b{font-size:38px;font-weight:700;color:var(--c-brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1}
.plan-price small{font-size:14px;color:var(--c-body)}
.plan-desc{margin-top:14px;font-size:14px;line-height:1.8;color:var(--c-body);min-height:50px}
.plan-list{margin-top:20px;padding-top:20px;border-top:1px dashed var(--c-line);flex:1 1 auto}
.plan-list li{position:relative;padding-left:26px;margin-bottom:12px;font-size:14px;line-height:1.7;color:var(--c-body)}
.plan-list li::before{
  content:"";position:absolute;left:0;top:7px;width:14px;height:8px;
  border-left:2px solid var(--c-brand-300);border-bottom:2px solid var(--c-brand-300);
  transform:rotate(-45deg);border-radius:1px;
}
.plan-list li.is-off{color:#98A09A}
.plan-list li.is-off::before{border-color:#C7CFC8}
.plan-card .btn{margin-top:24px}

/* ---------- 对比表 ---------- */
.table-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow-x:auto;box-shadow:var(--sh-1)}
.compare{width:100%;min-width:720px;border-collapse:collapse}
.compare th,.compare td{padding:16px 22px;text-align:left;font-size:15px;border-bottom:1px solid var(--c-line)}
.compare thead th{background:var(--c-paper);font-size:14px;font-weight:700;color:var(--c-ink);white-space:nowrap}
.compare tbody th{font-weight:600;color:var(--c-ink);border-left:3px solid var(--c-brand);background:#fff}
.compare tbody td{color:var(--c-body)}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:none}
.compare .col-hot{background:rgba(18,59,46,.06)}
.compare .mark{color:var(--c-ok);font-weight:600}
.compare .none{color:#98A09A}
.table-note{margin-top:16px;font-size:13px;color:var(--c-body)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.step{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);transition:transform .24s ease-out,box-shadow .24s ease-out}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step-num{
  width:28px;height:28px;border-radius:6px;background:var(--c-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:18px}
.step p{margin-top:10px;font-size:14px;line-height:1.8}

/* ---------- 场景图文 ---------- */
.scene-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.scene-media{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.scene-media figure{margin:0;position:relative;overflow:hidden;border-radius:var(--r-img);background:var(--c-paper)}
.scene-media figure:first-child{grid-column:span 1;aspect-ratio:4/5}
.scene-media figure:last-child{grid-column:span 1;aspect-ratio:4/5;transform:translateY(28px)}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.scene-media figure:hover img{transform:scale(1.03)}
.scene-list{margin-top:26px}
.scene-list li{position:relative;padding-left:22px;margin-bottom:14px;font-size:15px;line-height:1.8}
.scene-list li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:2px;background:var(--c-accent);
}

/* ---------- 表单区 ---------- */
.signup-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.signup-points{margin-top:26px}
.signup-points li{position:relative;padding-left:22px;margin-bottom:16px;font-size:15px;line-height:1.8;color:rgba(232,237,231,.85)}
.signup-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--c-signal);
}
.signup-points b{color:#fff;font-weight:600}
.form-card{background:#fff;border-radius:var(--r-block);padding:32px;box-shadow:0 24px 60px -30px rgba(0,0,0,.55)}
.form-card h3{font-size:22px}
.form-card > p{margin-top:10px;font-size:14px;color:var(--c-body)}
.field{margin-top:20px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;color:var(--c-ink);font-size:15px;outline:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field textarea{height:92px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-body) 50%),linear-gradient(135deg,var(--c-body) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field input::placeholder,.field textarea::placeholder{color:#98A09A}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(18,59,46,.14)}
.pill-group{display:flex;flex-wrap:wrap;gap:10px}
.pill{position:relative}
.pill input{position:absolute;opacity:0;width:1px;height:1px}
.pill span{
  display:block;padding:10px 18px;border:1px solid var(--c-line);border-radius:999px;
  font-size:14px;color:var(--c-body);cursor:pointer;background:#fff;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.pill input:checked + span{background:var(--c-brand);border-color:var(--c-brand);color:#fff;font-weight:600}
.pill input:focus-visible + span{box-shadow:0 0 0 3px rgba(255,90,31,.5)}
.form-card .btn{margin-top:26px}
.form-tip{margin-top:14px;font-size:13px;color:var(--c-body);line-height:1.7}
.form-success{
  display:none;min-height:380px;flex-direction:column;align-items:flex-start;justify-content:center;gap:12px;
}
.form-success.is-visible{display:flex}
.form-success .ok-icon{
  width:52px;height:52px;border-radius:50%;background:rgba(30,158,106,.12);color:var(--c-ok);
  display:flex;align-items:center;justify-content:center;font-size:22px;
}
.form-success h3{font-size:20px}
.form-success p{font-size:14px;line-height:1.8}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:first-child{border-top:1px solid var(--c-line)}
.faq-q{
  position:relative;width:100%;padding:22px 44px 22px 0;background:none;border:0;
  text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);cursor:pointer;line-height:1.5;
  transition:color .18s ease-out;
}
.faq-q::before{
  content:"";position:absolute;left:-16px;top:24px;bottom:24px;width:3px;border-radius:2px;
  background:transparent;transition:background .18s ease-out;
}
.faq-q::after{
  content:"";position:absolute;right:6px;top:50%;width:14px;height:2px;background:var(--c-body);
  transform:translateY(-50%);transition:background .18s ease-out,transform .24s ease-out;
}
.faq-q:hover{color:var(--c-brand)}
.faq-item.is-open .faq-q{color:var(--c-brand)}
.faq-item.is-open .faq-q::before{background:var(--c-accent);left:-16px}
.faq-item.is-open .faq-q::after{background:var(--c-accent)}
.faq-a{display:none;padding:0 44px 22px 0;font-size:15px;line-height:1.85;color:var(--c-body)}
.faq-item.is-open .faq-a{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-paper);border-top:1px solid var(--c-line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--c-body);max-width:320px}
.fb-line{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:14px;color:var(--c-body)}
.fb-line i{color:var(--c-brand-300)}
.site-footer h4{font-size:15px;font-weight:700;color:var(--c-ink);margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--c-body);display:inline-block;transition:color .18s ease-out,transform .18s ease-out}
.footer-links a:hover{color:var(--c-brand);transform:translateX(2px)}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid var(--c-line);
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--c-body);
}
.footer-bottom span:first-child{flex:0 0 auto}
.footer-bottom .to-top{
  margin-left:auto;width:36px;height:36px;border-radius:50%;border:1px solid var(--c-line);
  background:#fff;color:var(--c-brand);cursor:pointer;display:flex;align-items:center;justify-content:center;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.footer-bottom .to-top:hover{background:var(--c-brand);color:#fff;border-color:var(--c-brand)}

/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:200;background:#fff;padding:24px 20px 40px;
  transform:translateX(100%);transition:transform .28s ease-out;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-close{
  position:absolute;right:20px;top:20px;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);font-size:18px;cursor:pointer;
}
.drawer-brand{display:flex;align-items:center;gap:10px;margin-bottom:28px}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--c-line)}
.drawer-nav a{padding:16px 4px;border-bottom:1px solid var(--c-line);font-size:16px;color:var(--c-ink);font-weight:600}
.drawer-nav a.is-active{color:var(--c-accent)}
.drawer-cta{margin-top:26px}
.drawer-info{margin-top:22px;font-size:14px;line-height:1.9;color:var(--c-body)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .header-search{max-width:260px}
  .header-note{display:none}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .hero-member{padding:44px 0 56px}
  .hero-member h1{font-size:32px}
  .hero-sub{font-size:16px}
  .sec-head h2{font-size:26px}
  .header-search{display:none}
  .burger{display:flex;align-items:center;justify-content:center}
  .header-cta{display:none}
  .brand-inner{justify-content:space-between}
  .steps{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr;gap:40px}
  .scene-media figure:last-child{transform:none}
  .signup-grid{grid-template-columns:1fr;gap:40px}
  .plan-card.is-featured{margin-top:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:639px){
  body{font-size:16px;line-height:1.8}
  .container{padding:0 20px}
  .section{padding:48px 0}
  .sec-head{margin-bottom:32px}
  .sec-head h2{font-size:24px}
  .hero-member h1{font-size:28px}
  .hero-stats{padding-top:24px;margin-top:32px}
  .hero-stats .stat{flex:1 1 100%;padding:12px 0;text-align:center}
  .hero-stats .stat + .stat::before{left:50%;top:0;bottom:auto;width:48px;height:1px;transform:translateX(-50%)}
  .hero-actions .btn{width:100%}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-bottom .to-top{margin-left:0}
  .form-card{padding:22px}
  .plan-card{padding:24px 20px}
  .plan-card.is-featured{padding:32px 20px 24px}
  .compare th,.compare td{padding:14px 16px;font-size:14px}
  .scene-media img{aspect-ratio:1/1}
}

/* roulang page: category5 */
:root{
  --c-brand:#123B2E;
  --c-brand-700:#0D2E23;
  --c-brand-300:#2E6B52;
  --c-accent:#FF5A1F;
  --c-accent-700:#D93A0B;
  --c-signal:#C8F44E;
  --c-ink:#101613;
  --c-body:#4C574F;
  --c-line:#E3E6DC;
  --c-paper:#F6F5F0;
  --c-surface:#FFFFFF;
  --c-dark:#0E1613;
  --c-dark-text:#E8EDE7;
  --c-success:#1E9E6A;
  --c-warn:#E0A800;
  --c-error:#D93A3A;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:999px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(16,22,19,.06), 0 10px 26px -14px rgba(16,22,19,.18);
  --sh-2:0 2px 4px rgba(16,22,19,.08), 0 18px 38px -16px rgba(16,22,19,.26);
  --t-fast:180ms ease-out;
  --t-base:240ms ease-out;
  --sp-block:88px;
  --num-font:"Oswald","Barlow Condensed","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-body);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;}
p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:none;background:none;color:inherit;}
:focus-visible{outline:3px solid var(--c-accent);outline-offset:2px;border-radius:var(--r-btn);}
::selection{background:var(--c-accent);color:#101613;}

.container{max-width:1240px;margin:0 auto;padding:0 32px;width:100%;}
.section{padding:var(--sp-block) 0;}
.section-tight{padding:56px 0;}
.section-paper{background:var(--c-paper);}
.section-white{background:var(--c-surface);}

/* ============ 头部 ============ */
.site-header{position:relative;z-index:60;}
.brand-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);}
.brand-inner{display:flex;align-items:center;gap:22px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--c-brand),var(--c-brand-300));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;letter-spacing:.5px;
}
.logo-text{display:inline-flex;align-items:baseline;gap:4px;font-size:19px;color:var(--c-ink);letter-spacing:.2px;}
.logo-text strong{font-weight:700;}
.logo-text span{font-weight:500;color:var(--c-brand-300);font-size:17px;}
.header-search{
  flex:1;max-width:420px;display:flex;align-items:center;gap:8px;
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:0 14px;height:42px;transition:border-color var(--t-fast),box-shadow var(--t-fast);
}
.header-search i{color:var(--c-brand-300);font-size:14px;}
.header-search input{flex:1;border:none;background:transparent;height:40px;color:var(--c-ink);font-size:14px;}
.header-search input::placeholder{color:#8C948B;}
.header-search:focus-within{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(18,59,46,.12);}
.header-note{font-size:14px;color:var(--c-body);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.header-note i{color:var(--c-success);}
.burger{display:none;width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--c-line);color:var(--c-ink);font-size:17px;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);font-weight:600;font-size:15px;
  transition:background-color var(--t-fast),color var(--t-fast),transform var(--t-fast),box-shadow var(--t-fast),border-color var(--t-fast);
  border:1.5px solid transparent;line-height:1;white-space:nowrap;}
.btn-brand{background:var(--c-brand);color:#fff;}
.btn-brand:hover{background:var(--c-brand-700);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-brand:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:#101613;}
.btn-accent:hover{background:var(--c-accent-700);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;border-color:var(--c-brand);color:var(--c-brand);}
.btn-ghost:hover{background:var(--c-paper);}
.btn-dark-ghost{background:transparent;border-color:rgba(232,237,231,.5);color:#E8EDE7;}
.btn-dark-ghost:hover{border-color:var(--c-signal);color:var(--c-signal);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-text{display:inline-flex;align-items:center;gap:8px;color:var(--c-brand);font-weight:600;font-size:15px;}
.btn-text i{transition:transform var(--t-fast);}
.btn-text:hover i{transform:translateX(4px);}
.header-cta{padding:11px 22px;font-size:14px;}

.channel-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:50;transition:box-shadow var(--t-base);}
.channel-bar.is-stuck{box-shadow:0 6px 18px -12px rgba(16,22,19,.35);}
.channel-inner{display:flex;align-items:center;gap:4px;height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel{position:relative;padding:0 18px;height:52px;display:inline-flex;align-items:center;
  font-size:15px;font-weight:500;color:var(--c-body);white-space:nowrap;transition:color var(--t-fast),background-color var(--t-fast);}
.channel::after{content:"";position:absolute;left:18px;right:18px;bottom:9px;height:2px;background:transparent;transition:background-color var(--t-fast);}
.channel:hover{color:var(--c-ink);}
.channel:hover::after{background:var(--c-line);}
.channel.is-active{color:var(--c-brand);font-weight:700;background:var(--c-paper);}
.channel.is-active::after{background:var(--c-accent);height:3px;bottom:7px;}

/* ============ 移动抽屉 ============ */
.drawer{position:fixed;inset:0;background:var(--c-surface);z-index:200;transform:translateX(100%);
  transition:transform var(--t-base);display:flex;flex-direction:column;padding:20px;overflow-y:auto;}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--c-line);font-size:18px;color:var(--c-ink);}
.drawer-nav{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--c-line);padding-top:14px;}
.drawer-nav a{padding:14px 4px;font-size:17px;font-weight:500;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.drawer-nav a.is-active{color:var(--c-brand);font-weight:700;}
.drawer-foot{margin-top:auto;padding-top:24px;font-size:14px;color:var(--c-body);display:flex;flex-direction:column;gap:8px;}

/* ============ Hero ============ */
.help-hero{
  position:relative;background:var(--c-dark);color:var(--c-dark-text);
  padding:64px 0 72px;overflow:hidden;
}
.help-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.28;
}
.help-hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(200,244,78,.05) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.help-hero .container{position:relative;z-index:2;}
.crumbs{font-size:14px;color:rgba(232,237,231,.72);display:flex;align-items:center;gap:8px;margin-bottom:20px;}
.crumbs a{color:rgba(232,237,231,.72);transition:color var(--t-fast);}
.crumbs a:hover{color:var(--c-signal);}
.crumbs .sep{opacity:.55;}
.crumbs .current{color:#fff;font-weight:700;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-badge);
  background:rgba(200,244,78,.12);border:1px solid rgba(200,244,78,.35);color:var(--c-signal);
  font-size:13px;font-weight:600;margin-bottom:18px;}
.help-hero h1{color:#fff;font-size:46px;line-height:1.2;letter-spacing:-.01em;max-width:820px;margin-bottom:16px;}
.help-hero h1 em{font-style:normal;color:var(--c-signal);}
.hero-sub{font-size:16px;line-height:1.85;color:rgba(232,237,231,.85);max-width:620px;margin-bottom:28px;}
.hero-search{display:flex;gap:10px;background:var(--c-surface);border-radius:var(--r-block);padding:10px;
  max-width:720px;box-shadow:var(--sh-2);}
.hero-search .hs-field{flex:1;display:flex;align-items:center;gap:10px;padding:0 12px;}
.hero-search .hs-field i{color:var(--c-brand-300);font-size:16px;}
.hero-search input{border:none;background:transparent;height:52px;width:100%;font-size:16px;color:var(--c-ink);}
.hero-search input::placeholder{color:#8C948B;}
.hero-search input:focus{outline:none;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tags a{padding:7px 14px;border-radius:var(--r-badge);border:1px solid rgba(232,237,231,.28);
  font-size:13px;color:rgba(232,237,231,.85);transition:all var(--t-fast);}
.hero-tags a:hover{border-color:var(--c-signal);color:var(--c-signal);}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(200,244,78,.18);}
.hero-meta .hm-item{display:flex;flex-direction:column;gap:2px;}
.hero-meta .hm-num{font-family:var(--num-font);font-size:34px;font-weight:600;color:var(--c-signal);letter-spacing:-.02em;line-height:1.1;}
.hero-meta .hm-txt{font-size:14px;color:rgba(232,237,231,.75);}

/* ============ 板块标题 ============ */
.sec-head{margin-bottom:36px;max-width:720px;}
.sec-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--c-accent);letter-spacing:.08em;margin-bottom:12px;}
.sec-head .kicker::before{content:"";width:22px;height:3px;background:var(--c-accent);border-radius:2px;}
.sec-head h2{font-size:34px;line-height:1.3;margin-bottom:12px;}
.sec-head p{font-size:16px;line-height:1.85;color:var(--c-body);max-width:660px;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.sec-head-row .sec-head{margin-bottom:0;}

/* ============ 分类入口卡 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.entry-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:12px;
  transition:transform var(--t-base),box-shadow var(--t-base),border-color var(--t-base);
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand-300);}
.entry-card .ec-icon{width:48px;height:48px;border-radius:12px;background:var(--c-paper);
  display:flex;align-items:center;justify-content:center;color:var(--c-brand);font-size:20px;}
.entry-card h3{font-size:18px;font-weight:700;}
.entry-card p{font-size:14px;line-height:1.7;color:var(--c-body);}
.entry-card .ec-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;
  padding-top:14px;border-top:1px solid var(--c-line);}
.entry-card .ec-count{font-family:var(--num-font);font-size:20px;color:var(--c-brand);font-weight:600;letter-spacing:-.02em;}
.entry-card .ec-count span{font-family:inherit;font-size:13px;color:var(--c-body);font-weight:400;margin-left:4px;}
.entry-card .ec-link{font-size:14px;font-weight:600;color:var(--c-brand);display:inline-flex;align-items:center;gap:6px;}
.entry-card .ec-link i{transition:transform var(--t-fast);}
.entry-card:hover .ec-link i{transform:translateX(4px);}

/* ============ 问答墙 ============ */
.faq-layout{display:grid;grid-template-columns:260px 1fr;gap:40px;align-items:start;}
.faq-anchors{position:sticky;top:80px;display:flex;flex-direction:column;gap:6px;
  border-left:2px solid var(--c-line);padding-left:0;}
.faq-anchors button{
  text-align:left;padding:10px 16px;font-size:15px;font-weight:500;color:var(--c-body);
  border-left:3px solid transparent;margin-left:-3px;transition:all var(--t-fast);border-radius:0 var(--r-btn) var(--r-btn) 0;
}
.faq-anchors button:hover{background:var(--c-surface);color:var(--c-ink);}
.faq-anchors button.is-active{color:var(--c-brand);font-weight:700;border-left-color:var(--c-accent);background:var(--c-surface);}
.faq-anchors .fa-count{margin-left:6px;font-size:13px;color:#8C948B;font-weight:400;}

.faq-panel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:8px 28px;box-shadow:var(--sh-1);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:none;}
.faq-q{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 0;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);transition:color var(--t-fast);}
.faq-q:hover{color:var(--c-brand);}
.faq-q .q-mark{flex-shrink:0;width:24px;height:24px;position:relative;margin-top:3px;}
.faq-q .q-mark::before,.faq-q .q-mark::after{
  content:"";position:absolute;background:var(--c-brand);border-radius:2px;transition:transform var(--t-base),opacity var(--t-base);}
.faq-q .q-mark::before{left:4px;right:4px;top:11px;height:2px;}
.faq-q .q-mark::after{top:4px;bottom:4px;left:11px;width:2px;}
.faq-item.is-open .faq-q{color:var(--c-brand);}
.faq-item.is-open .faq-q .q-mark::after{transform:scaleY(0);opacity:0;}
.faq-item.is-open .faq-q .q-mark::before{background:var(--c-accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--t-base);}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a-inner{padding:0 0 22px;border-left:3px solid var(--c-accent);padding-left:16px;margin-left:0;}
.faq-a-inner p{font-size:15px;line-height:1.8;color:var(--c-body);}
.faq-a-inner p+p{margin-top:10px;}
.faq-tag{display:inline-block;padding:4px 10px;border-radius:var(--r-badge);background:var(--c-paper);
  color:var(--c-brand);font-size:12px;font-weight:600;margin-bottom:10px;}
.faq-empty{padding:56px 0;text-align:center;display:none;}
.faq-empty.is-show{display:block;}
.faq-empty svg{margin:0 auto 18px;}
.faq-empty h4{font-size:17px;margin-bottom:8px;}
.faq-empty p{font-size:14px;color:var(--c-body);margin-bottom:20px;}

/* ============ 自助指引 ============ */
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.guide-figure{position:relative;border-radius:var(--r-block);overflow:hidden;box-shadow:var(--sh-2);}
.guide-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;
  transition:transform var(--t-base),filter var(--t-base);}
.guide-figure:hover img{transform:scale(1.03);filter:brightness(.94);}
.guide-figure .gf-cap{position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
  background:linear-gradient(0deg,rgba(14,22,19,.82),rgba(14,22,19,0));color:#fff;font-size:14px;}
.steps{display:flex;flex-direction:column;gap:20px;margin-top:28px;counter-reset:step;}
.step{display:flex;gap:16px;align-items:flex-start;}
.step-num{flex-shrink:0;width:28px;height:28px;border-radius:8px;background:var(--c-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-family:var(--num-font);font-size:15px;font-weight:600;margin-top:4px;}
.step h4{font-size:17px;margin-bottom:6px;}
.step p{font-size:14px;line-height:1.75;color:var(--c-body);}

/* ============ 深色 CTA ============ */
.dark-band{background:var(--c-dark);color:var(--c-dark-text);padding:72px 0;position:relative;overflow:hidden;}
.dark-band::after{content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(200,244,78,.06) 0 1px,transparent 1px 64px);
  pointer-events:none;}
.dark-band .container{position:relative;z-index:2;}
.dark-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.dark-band h2{color:#fff;font-size:34px;line-height:1.3;margin-bottom:14px;}
.dark-band p{font-size:16px;line-height:1.85;color:rgba(232,237,231,.82);max-width:520px;}
.dark-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.dark-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(232,237,231,.9);}
.dark-points li::before{content:"";flex-shrink:0;width:8px;height:8px;border-radius:2px;background:var(--c-signal);margin-top:9px;}
.dark-cta-card{background:rgba(255,255,255,.05);border:1px solid rgba(200,244,78,.18);
  border-radius:var(--r-block);padding:32px;}
.dark-cta-card h3{color:#fff;font-size:21px;margin-bottom:10px;}
.dark-cta-card p{font-size:14px;color:rgba(232,237,231,.78);margin-bottom:22px;}
.dark-cta-card .dc-row{display:flex;gap:12px;flex-wrap:wrap;}
.dark-cta-card .dc-line{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(232,237,231,.8);
  padding-top:18px;margin-top:22px;border-top:1px solid rgba(200,244,78,.16);}
.dark-cta-card .dc-line i{color:var(--c-signal);}

/* ============ 联系卡 ============ */
.contact-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-block);
  padding:44px;box-shadow:var(--sh-1);display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;}
.contact-wrap h2{font-size:30px;line-height:1.3;margin-bottom:12px;}
.contact-wrap p{font-size:15px;line-height:1.8;color:var(--c-body);max-width:520px;}
.contact-channels{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;}
.cc{display:flex;align-items:flex-start;gap:12px;padding:16px;border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-paper);}
.cc i{color:var(--c-brand);font-size:17px;margin-top:4px;}
.cc .cc-label{font-size:13px;color:var(--c-body);}
.cc .cc-val{font-size:16px;font-weight:700;color:var(--c-ink);font-family:var(--num-font);letter-spacing:-.01em;}
.contact-side{display:flex;flex-direction:column;gap:16px;align-items:flex-start;}
.contact-side .cs-box{width:100%;padding:22px;border-radius:var(--r-card);background:var(--c-dark);color:var(--c-dark-text);}
.contact-side .cs-box h4{color:#fff;font-size:17px;margin-bottom:8px;}
.contact-side .cs-box p{font-size:14px;color:rgba(232,237,231,.78);margin-bottom:0;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-brand-700);color:rgba(232,237,231,.78);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text span{color:var(--c-signal);}
.footer-brand p{font-size:14px;line-height:1.75;max-width:300px;margin-bottom:16px;}
.fb-line{font-size:14px;display:flex;align-items:center;gap:8px;margin-bottom:8px;color:rgba(232,237,231,.72);}
.fb-line i{color:var(--c-signal);}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(232,237,231,.78);transition:color var(--t-fast),transform var(--t-fast);display:inline-block;}
.footer-links a:hover{color:var(--c-signal);transform:translateX(2px);}
.footer-bottom{border-top:1px solid rgba(232,237,231,.16);padding:20px 0;display:flex;align-items:center;
  justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:14px;color:rgba(232,237,231,.62);}
.to-top{width:36px;height:36px;border-radius:50%;border:1px solid rgba(232,237,231,.35);color:#E8EDE7;
  display:flex;align-items:center;justify-content:center;transition:all var(--t-fast);}
.to-top:hover{background:var(--c-signal);border-color:var(--c-signal);color:#101613;}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  :root{--sp-block:64px;}
  .container{padding:0 24px;}
  .header-note{display:none;}
  .header-search{max-width:280px;}
  .help-hero h1{font-size:32px;}
  .sec-head h2{font-size:24px;}
  .dark-band h2,.contact-wrap h2{font-size:24px;}
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .faq-anchors{position:static;flex-direction:row;flex-wrap:wrap;border-left:none;padding-left:0;gap:8px;}
  .faq-anchors button{border:1px solid var(--c-line);border-left:1px solid var(--c-line);border-radius:var(--r-badge);
    padding:8px 14px;font-size:14px;background:var(--c-surface);margin-left:0;}
  .faq-anchors button.is-active{border-color:var(--c-brand);background:var(--c-brand);color:#fff;}
  .faq-anchors .fa-count{color:inherit;opacity:.7;}
  .guide-grid{grid-template-columns:1fr;gap:28px;}
  .dark-inner{grid-template-columns:1fr;gap:32px;}
  .contact-wrap{grid-template-columns:1fr;padding:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  .brand-inner{height:60px;gap:12px;}
  .header-search{display:none;}
  .header-cta{display:none;}
  .burger{display:flex;align-items:center;justify-content:center;}
  .channel-inner{height:48px;}
  .channel{height:48px;padding:0 14px;font-size:14px;}
  .channel::after{left:14px;right:14px;}
  .help-hero{padding:40px 0 48px;}
  .hero-search{flex-direction:column;padding:12px;}
  .hero-search .hs-field{padding:0 4px;}
  .hero-search .btn{width:100%;}
  .hero-meta{gap:18px;}
  .hero-meta .hm-num{font-size:26px;}
  .entry-grid{grid-template-columns:1fr;}
  .faq-panel{padding:4px 18px;}
  .faq-q{font-size:16px;gap:12px;}
  .contact-channels{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:519px){
  .container{padding:0 20px;}
  :root{--sp-block:48px;}
  .help-hero h1{font-size:27px;}
  .sec-head h2{font-size:22px;}
  .contact-wrap{padding:22px;}
  .entry-card{padding:18px;}
}